Why did congress need to form a "real" army

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.

The idea that government is not above the law is an example the principle of powers between state and national governments. the principle power. coining money is an example of athe concept that goverment's powers come from the people is

Examine the air pressure map. which type of line is shown on the map?