For there were alot of places to carry the disease for bad living conditions
They helped move stuff around to trade and they needed little food and water to survive.
Answer:
plessy vs Fergusons decision in a 7 to 1 decision is segregation is constitutional. brown vs board of education decided in a unanimous decision that segregation is unconstitutional. miranda vs Arizona decide in a 5 to 4 decision that an accused persons 5th amendment rights must be protected
They did not want to share political and economic freedom with freed slaves.