What natural resources were American seeking out west

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper

How have the changes in china's laws affected its economy?

How was mussolini able to gain power in italy? he played to the prejudices of the italians. he fought off hitler’s attempt to annex italy. he led a coup to take over a weakened government. he proposed new ideas to solve the economic crisis.