How many years have humans been on earth?

What challenges did the united states face during the great depression? check all that apply. high debt high wages high unemployment a decline in the value of money and goods increased job stability failures of businesses and banks

Which of the following is not located along the national road? a. cumberland, maryland. b. buffalo, new york. c. wheeling west virginia. d. vandalia, illinois.

In which era does vietnam war fought and what was the reason?