By the end of ww1 people were using airplanes in combat, they weren’t the best during war but by ww2 they had evolved. It was hard to fly an airplane and shoot at the target especially with regular guns and not a machine gun.
Answer:
A.
Explanation:
I assume you meant flee and not fee and if so that answer is right. the Underground railroad was to help enslaved people to escape to the North or Canada to have a better life.