NEED HELP PLEASE MY QUIZ IS TIMED Which of the following federal powers was made possible through a constitutional amendment?

A)The power to declare war
B)The power to establish post offices
C)The power to maintain a standing army
D)The power to collect an income tax
E)The power to coin money

Brainliestttme : )why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology.- it made clear that the u.s. space program was dominant.- most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

Which of these jobs in colonial america was known for being dangerous? a. milliner b. cooper c. fisherman d. shipbuilder

Which of the following statements best describes the spread of communism in the years immediately following world war ii? a. the number of communist countries increased during these years. b. the number of communist countries decreased during these years. c. the number of communist countries stayed the same during these years. d. the number of communist countries increased in asia but decreased in europe. ( answer in the format above for me to understand)