no nadhir shah
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1.its a well known fact that nadhir shah actually did persia a host of good by making it a strong power in southwest and central asia
although ,his realm ceased to exist by 1747 after his assassination.he also clearly checked out the growth of ottomon and moghul empires, actually his invasion of india
ended moghul domination and gave rise to marathas who occupied ahuge chunk of falling mughal empire.
2.so with a POD as nadhir shah not vcoming into power in persia, by any means has many knock on efeects on the history of asia for the next two centuries.
3.first with no nadhir shah,there is no ahmed shah abdali and no idea of a nation of afghanistan, with no ahmed shah abdali, no help is given in the form of his routine indian invasions, so marathas
route mughals early and easily take over all of north India(ruled by mughals ) by 1750.
4.so when british setting their foot frirmly in bengal in 1757 in OTL never happens, since they have confederacy of rajas that rule all of northern india and spreading into peninsular ones(the marthas themselves a peninsular force).
also since marathas have a strong coastal navy, european interests may suffer so there is a possibility of some wars leading to some kind of arrangement or even some european powers becoming an ally of marathas.
5.marathas spend the next 50 years unifying India and this may be possible only in 1790s or in 1800s.
6.the british finding their hopes not workinhg in india may concentrate elsewhere taking over east indies from dutch and philipines from spanish and madagaskar and east african possessions from portugese.
also some of the best soldiers of EIC may be sent to USA as there is no need for them in india, so the american revolution is crushed or not happens at all.
7.coming back to persia,its still messy with ottomons grabing the western parts and russians stealing from north and a central asian power gobbling up afghanistan and caspian regions.
also we may see british gaining foothold in south arabia early and may check russian and ottomon influence, a war of succession in persia by many groups, with each group supported by british russians and ottomons.
the success of british led group in persia may result in beginning of british hegonomy in west asia. with brits take over all of red sea and may even control many areas in north africa.
8.now as another effect , we may assume the american revolution happens with british concentration is elsewwhere, the british may try to occupy many areas in south america,
may be a war with portugese in 1750s may result in brits getting zanzibar,madagaskar,mozambique and even coastal areas in brazil.
9.so in the aftermath of industrial revolution . by 1800 we have a british empire that includes OTL canadian states(or all of british north america), coastal brazil(which may be a plantation colony),west indies,south africa, coastal east africa,
madagaskar,south arabia,malaya and indonesia and australia being a penal colony as in OTL.
10.if american revolution never happens the british may devote their whole attention in americas and may take over some lucrative central american territory or south american ones.
what will happen in the 19th century in such a scenario and
what will happen in the rest of our modern history?
any ideas or thoughts in this respect?