Answer:
Push factors may include conflict, drought, famine, or extreme religious activity. Poor economic activity and lack of job opportunities are also strong push factors formigration.
D) the great plains is the answer I believe to be correct. I feel the great plains needed this help.
The Japanese truly believed that America was going to attack them, so out of paranoia, they decided to attack first. Pearl Harbor had the airrafts and ships that would be used in war, so it was a perfect target for them because it would give them more time to prepare themselves against America. Unfortunetly for Japan, America was able to mass produce its aircrafts and ships and managed to quickly replace all the damaged vehicles.
I hope this helps.
In a free market, capitalists would reinvest in new business ...