1869
Lisbon
Though the public protested, the King of Portugal would proceed with his sale of the Azores, Madeira (Macronesia), Sao Tome and Princip. The resistance was primarily regarding Madeira, which, unlike the other islands, possessed a large Portuguese population. It was one thing to sell some island largely occupied by Africans but quite another to sell Portuguese.
In truth, First Lord of the Treasury Abraham Lincoln and his old rival/ally Foreign Secretary Seward shared some of these concerns. How would the Portuguese, African and other denizens of these lands react to American sovereignty? It was possible that the nation was just creating problems for itself.
Similarly, the King of Spain would object though he had no legal reason to expect right of first refusal on any territory Portugal opted to sell. Portuguese resentment towards Spain remained deep seeded and there was no way that His Majesty would sell to the Spanish.
Eventually, the American Ambassador eased tension with both the Portuguese people and the King of Spain by backing away from purchasing Madeira, the location of the highest number of Portuguese subjects.
In an effort to establish goodwill, Catholics were dispatched as the Colonial governors to some islands and orders were issued to increase the amount of democracy in the region regarding local issues (given that Portugal had never possessed anything resembling democracy, this wasn't hard to improve upon). Local mayors and councils received additional powers, the franchise expanded to all landowners, etc, etc.
While there was a large degree of sullen resentment, there was no wide-scale rebellion. Only a small number of the Portuguese residents opted to return to Portugal and many would, in the coming years, find the political and economic opportunities beneficial.
What DID change radically was that the rebellious African contract workers of Sao Tome and Princip were paid in full by the American government and returned home. America hadn't acquired these islands for their agricultural potential but as naval bases. Without the African workforce (which consisted of half the island's population), many of the Portuguese bureaucrats and landowners resentfully departed. It would not be until generations later when machinery greatly reduced the labor for agriculture that Sao Tome and Princip returned as significant exporters.
Southern Africa
By 1869, the East India Company armies had pushed the assorted tribes hundreds of miles eastwards and northwards. Initially, these were seen moves in conjunction with their native allies but eventually it was obvious to all that the Africans were merely being shoved TOWARDS the Company ally lands. Violence would become every more common as warfare devolved into tribal slaughter. When the situation deteriorated, the Company simply moved further east, now dislodging THOSE peoples.
The Company hierarchy, now having dozens of reports of mineral wealth discovered in the region, would press the Company armies further and further east. In the meantime, wildcat miners were already panning along the riverbeds. Only years later would it be determined that the gold of the region was, in fact, very, VERY deep and very, VERY abundant.
The Company, seeing that the panning could hardly be stopped, would agree to take a tax on it instead. Later, when deeper mines were built, private permits were not granted and the huge deposits of gold and diamonds below would be owned entirely by the government. As most of these lands had never been controlled by the Cape Colony, the EIC would fairly ignored the Dutch protests. By 1869, the Jews greatly outnumbered the Dutch in the East and by a small amount overall. New ports to the east allowed the Company to deliver soldiers, suppliers and migrants directly to the region they actually cared about.
An attempt by the Dutch to cancel the contract was dispatched to an arbitrator...which would take place years later when the political situation had deteriorated beyond all recognition.
New regiments of Americans, Europeans, Marathas, Javans, Sumatrans and remote African hirelings would arrive to ensure the frontier. While some partisan activity among the Africans would continue for years, even decades, the superior weaponry of the EIC would ensure their superiority.
Another shift in power led to dissention between the Company and the Jewish settlers. initially, the Jews had been ecstatic with the idea of a Jewish-majority homeland. However, the prospect of mines to the east and northeast would lead the EIC to invite mining experts from Europe, mainly Silesian and Poland, to open mines. Not willing to attempt to coerce Africans into the mines (this had been failing dismally in the Congo), the Company prepared a campaign to lure experienced miners to South Africa, mostly Polish or German. This could not have been received more poorly by the Jews, who travelled to Southern Africa to get away from those people.
Eventually a compromise was reached: the Company would continue to favor Jewish migration to the region (including significant subsidies) provided that the Jewish labor force could meet company demands as the industry developed. As it so happened, the Jews of Poland tended to be more apt to physical labor than Jews of other regions due to Poland's relatively permissive laws over the centuries regarding Jews (though not so much recently).
Between the subsidies offered by Poland and other nations to get the Jews out of their countries and that of the East India Company, most Jews arrived in Africa without any debt and were happy to get to work. By 1840, nearly 40,000 a year were arriving from Europe, Most preferred farming or two life to settling the remote and dangerous northeastern plains but enough Jews were willing to enter the mines throughout the 1870's that the Company repeatedly put off plans to entice Poles, Germans, Italians, Javans, Sumatrans or others to work the mines. Not desiring to be demographically overwhelmed by anyone, the Jews would negotiate with the company to prevent any settlement of foreign women (largely the East Indian soldiers) which may lead to a permanent community. While some Dutch, other European, American, Asian and Africans would eventually reside in the region, the Jews would never feel demographically threatened for generations. Though only a small percentage of the Jews would work in the mining industry itself, there were few major labor shortages throughout the late 19th century Southern African mining industry.
However, there remained a steady outflow of deserters from the EIC army who sought to pan the rivers for gold or set up their own shallow wildcat diamond mines. Among these were the Earp brothers, who effectively wandered off from the army and opened what they called a "saloon" in the Witswatersrand. Though they would mine a bit themselves, most of the family money would be gleaned from alcohol and prostitution.
Despite Jewish protests, the Company did hedge its bets and allowed non-Jewish migration to the region, these European or American Christians making up nearly 20% of the population of the Jewish majority districts (Africans and Asians making up another 10-15% depending on region).
Still, the worsening political conditions in Eastern Europe for the Jews (mainly Poland, Hungary and Russia) and a general refusal of the rest of Europe to take in more than token Jewish migrations would see nearly 100,000 Jews per year departing the continent (half to South Africa, the rest to the Levant, North Africa and the Americas), a stunning 2% of the overall estimated Jewish population. Of course, the Jewish population was rising with the rest of Europe (and most of the world) at about 1% increase per year thus this emigration barely reduced the quantity of Jews in Europe on an annual basis.