You can check other sources as well
D) continued into the 2010s
Explanation:
The Atlantic slave trade, transatlantic slave trade, or Euro-American slave trade involved the transportation by slave traders of enslaved African people, mainly to the Americas. The slave trade regularly used the triangular trade route and its Middle Passage, and existed from the 16th to the 19th centuries
The leaders which were key to the independence movement in South America were b) Simon Bolivar and d) Jose de San Martin. Jose de San Martin "was an Argentine general and the prime leader of the southern part of South America's successful struggle for independence from the Spanish Empire." Simon Bolivar was "a Venezuelan military and political leader who played an instrumental role in the establishment of Venezuela, Ecuador, Bolivia, Peru, and Colombia as sovereign states, independent of Spanish rule."
The Royal Proclamation of 1763
hope this helps :)))