What countries were given to hitler to appease him?

What areas were the focus of disagreement between the united states and the soviet union?

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

This is a picture of workers in a factory. why was this picture most likely taken? to advertise that kids could get jobs to expose the horrors of child labor to show pride in children at work to show that night workers were needed o