Ancient rock paintings have been found in

Why were the precedents washington set important to future presidents? a. they were things that would never happen again. b. they set the standard for how future presidents should behave as president. c. they were things to avoid. d. they were expensive and had to be paid for by future presidents.

Peter cooper invented the first when the lack of waterways in certain parts of the united states required new modes of transportation. steamboat steam locomotive automobile airplane

Which best describes john c. calhoun?