The answer is A because it makes the most sence
It’s false.
The greatest number of immigrants came from many other places. Like the indians, the spanish, etc
Most archaeologists think that they came from across the Berring Sea over the ice
from Russian/Europe and made their way through North America.
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.
Your answer should be C.) The government set up by the Articles of Confederation was not effective. That's why they had to replace the Articles of Confederation with the Constitution.