One result of the "dust bowl" was that? :
a california became the most populous state in the union.
b mexican-americans and african-americans took advantage of the opportunity to settle abandoned land.
c big, industrial agricultural cooperatives broke up into smaller units.
d several million people on the plains abandoned their farms and moved west.

The largest city in brazil, sao paulo, has a population of about 11 million. based on the rank-size rule, what is the population of the second-largest city, rio de janeiro, most likely to be? a. 8 – 10 million b. 5 – 6 million c. about 3 million d. about 1 million

Martin luther started the protestant movement when he split from the church in 1517. what area of europe was he from?   a.  england  b.  italy  c.  yugoslavia  d.  germany

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.