Approximately how old is the great wall of china

The articles of confederation did not allow the government the power to tax or to force the states to do anything. what challenges could this cause

Which of the following encouraged westward expansion? a. the government decreased the price of federal land. b. each of these represents actions taken to encourage westward expansion. c. the government decreased the price of federal land d. the second national bank lowered the cost of borrowing money (reduced interest rates)

How did the economic impacts of the great depression differ in the united states and in the soviet union?