I could be wrong but I believe it's the Cape Floristic Kingdom
Answer:
The system of extraction was a system in which the colonizer, or the ruling country, extracted resources from the colony. This, often, over decades of imperial rule, resulted in the colony being stripped of its resources. When they were decolonized, the loss of these precious resources often led to economic depression and unrest. Many examples of this can be seen in Africa, where European rulers ran the colonies as their own property, plundering the natural wealth such as diamonds, ivory, timber and bauxite.
Explanation:
Because people had to surrender reference books and nonwhites had a restriction of traveling in South African government
President Polk wanted California but knew Mexico would not agree to sell it and his only avenue was to start a war (knowing the US would win it).
