What was the u. s. government required to establish, according to its constitution?

a. a disease prevention agency

b. a federal income tax

c. an army and a navy

d. regulations on businesses

What is the orthodox interpretation of why the cold war started

What event involving the maine motivated the united states to go to war with spain? it exploded in cuba. it was hijacked in the philippines. it exploded in panama. it was hijacked in puerto rico.

How big would a 1940s computer have to be in order to have the power of a modern personal computer?