Answer:
the 18th Amendment in the U.S. Constitution
Explanation:
In 1493, Pope Alexander VI settled the conflict between Spain and Portugal over the newly discovered lands outside Europe in the Treaty of Tordesillas. It was the Pope who had to settle the argument because Spain didn't have enough military power in the Atlantic to fight the Portuguese, so they preferred a diplomatic settlement. The Pope divided the lands along an imaginary line 370 leagues west of the Cape Verde islands; the lands of the East were to belong to Portugal, and the lands of the West were for Spain.
The Great Railroad Strike of 1877<span> started on July 14 in Martinsburg, West Virginia, in response to the Baltimore & Ohio</span>Railroad<span> (B&O) cutting wages of </span>workers<span> for the third time in a year. Striking </span>workers<span> would not allow any of the trains, mainly freight trains, to roll until this third wage cut </span>was<span> revoked.</span>
The Europeans were interest in Africa for two main reasons, slaves and resources. They needed the west African coastline for slave trading since that's where all the slaves were taken by their captors to be sold, and they needed to go deeper into the continent to get natural resources. Central and Southern central Africa were places with things like Gold, but they also needed the subsaharan area for things like Ivory from elephants. They were also looking for things like diamonds.
The borders were created without any regards for people living there which meant that tribes would often be separated and clustered with other tribes that didn't have their cultural beliefs, or didn't even speak the same language. This caused a lot of civil wars because after the colonization, the borders remained, so different ethnic tribes would fight for power over the other tribes.