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Leopold II reportedly tried for several places before finally getting the Congo as his own colony. Where else could he have gone, as a way to make him invest too many resources to get into the Congo?

Granted, before event he Suez Canal it was harder to get to Asia but if he's willing to throw resources for enough of a potential return on investment, it could happen. So...

Vietnam, France got involved there in the 1860s but Leopold II could try to jump into thigns with Catholic missionaries and then get upset if they're mistreated.

China, a lot of countries were trying to carve out spheres of influence.

Japan: Could Belgium open Japan up if the U.S. is delayed for some reason? Admittedly Britain or Russia might leapfrog them then, but thsi is an alternate history challenge, after all.

What other places might Lepold II try to get his hands on? What would be the result if one of the above or, maybe mroe plausibly, some other place became Belgian? (And, I'm sure there's a possibility or two I'm not thinking of.)
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