Which amendment helps to give states more power? How does this limit the power of the federal government?

10th Amendment

Explanation:

It states that “The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

because the vietnam war was fought in an especially brutal and untraditional way