Please helpHow did the march on Washington for jobs and freedom affect the economic problems that African-Americans faced?

Which events are correlated but do not necessarily have a causal relationship?

What was gained through the gadsden purchase

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons