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.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow