What does the ditch most likely symbolize in the story?

In an effort to end the civil war, in 1864 the union planned to

Explain in detail why hitler had over 6 million jewish people killed during the holocaust and why

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.