What name was given to those northerners who came south during the reconstruction era?

Where did the domestication of crops and animals begin?

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

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control