The gold rush is the answer
They became powerful by controlling the rich trans-Saharan trade routes between northern and western Africa, especially the gold trade.
The three-fifths compromise was proposed by James Wilson in order to count the slaves as a part of the population so that they can figure out the representation and taxation of the government. The whole reason it was called the three-fifths compromise is that they didn't count a slave as a whole person they counted them as 3/5 of one.
Hope this Helps
Th<span>e Hungarian refugee emergency was resolved by means of resettlement.</span>