It show that civilians had a understanding of astronomy
They did this because the soil was more fertile while it got harder to farmer further West
This i do not know sadly but i did some research for you and google says and i quote
"When Virginia declared its secession from the Union in April 1861, Lee chose to follow his home state, despite his desire for the country to remain intact and an offer of a senior Union command. During the first year of the Civil War, Lee served as a senior military adviser to Confederate President Jefferson Davis".
Answer:
He thought he was brought into trial because he was a foreigner because he said he was tried in a time that had a lot of hate and resentment going around and being against foreigners and slackers.
He could have also been brought into trial because he was a slacker, and the evidence is the same as the top answer. There was a lot of hate for slackers and foreigners, so he could have been slacking at his job and got into trial.
Hope this helps!