Demand for crops fell after World War I
There are two reasons one was to follow after Pancho Villa and 2nd was to start a revolt (someone already asked this question XD)
By not letting her (Rosa Parks a black women) sit where ever she wanted on the bus showed some Whites and most Blacks enough is enough it's time for change and people are willing to do whatever it takes to receive equality! Hope this helps!!
Answer:
no one
Explanation:
after alexander the greats death they fell