What act caused the u. s. to enter the war? (ww2)

What were the purposes of salt? check all of the boxes that apply. -to achieve peace -to protect the security of the united states -to form an alliance against communist nations - to stop the nuclear arms race - to give the united states an advantage over the soviet union

Which of these were effects of mass production techniques used during 1920s

How did modern american history begin with “contact”?