<span>October 29, 1929 was black Tuesday the start of The Great Depression.</span>
I'm not sure if you made a typo or not but in the current context I can only see negligible being relevant.
The Soviet Union no longer provided aid and weapons to African countries.
Because
The government viewed Cuba as a nation in need of independence. Granted, the U.S. wanted Cuba independence from Spain so that the U.S. could exert indirect political and economic control over the nation, its peoples, and its resources.
<span>D- internal divisions within the Chinese and Ottoman empires that caused dissatisfaction</span>