The movement of glaciers can carve deep valleys. true / false

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.

1u. s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )