Archaeology is the answer
I believe the answer is Gold.
Gold was a very hot commodity at that time because before we use paper/digital money like today, Gold was made as material to make a type of money with more intrinsic value.
The abundance of this natural resources led to many European empire came and started their colonization in AFrica.
Many African american in the north upset with white landlords as they are highly indebted to white landlords.
<u>Explanation:
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African Americans are really an ethnicity of Americans of full or partial roots at any of Africa's black racial groups. In particular, the sentence refers to the descendants of slaves from the U.S.
During the years of the sub-Reconstruction era the number of factory jobs in southern cities has only shrunk to a small proportion. Yet comparatively few black Americans purchased their own land in the South, most of the poor landowners being heavily indebted to white property owners.
The predominantly urban population in the north of Africa was not much different. European refugees were given the jobs they desired. A number of African Americans moved to the west in hope of change.
One of the reasons why there was such a strong anti-catholic sentiment in America during the 1800s, was because many Protestants thought they were stealing jobs and disobeying the law.