Why were the crops planted in long strips

Is the idea of containment relevant to american foreign and policy today why or why not

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

How do you think american life would change greatly, as soldiers went to war in europe?