Which statement BEST explains how the US federal government expanded during the Great Depression?

How did inovations in manufacturing lead to improvments in transportation?

What was charles townshends development of a crop rotation system important to the industrial revelotion

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