Pretty sure it’s d if not then I am so sorry but I am 99.9% sure it’s d
European colonization of Africa was mainly due to its need for raw material.
The invasion, territorial split, colonization and annexation of African territories during the period of the New Imperialism was know as The race for Africa, period which protracted from the 1880s to the beginning of World War I.
By the early twentieth century much of Africa, except Ethiopia and Liberia, had been colonized by European powers, despite the resistance Africa put up against the attempt to colonize their countries.
It encouraged settlement of the great Plains and the US West.
Joseph Stalin was a masterful, ruthless leader. Other than the Great Purge, where he systematically annihilated all political opponents, he also implemented the 5 year plan, which forced the USSR to adopt more western ideas when it comes to industry, electrical, and agricultural advances. He quickly grew it into a superpower
John Sutter (born Johann August Suter; February 23, 1803–June 18, 1880) was a Swiss immigrant in California whose sawmill was the launching spot for the California Gold Rush. Sutter was a prosperous pioneer and land baron when one of his sawmill workers found a nugget of gold at the mill, on January 24, 1848.