Answer:
The cotton gin
Explanation:
Cotton was the main source of income for southerners for many years. They were able to prepare so much with the cotton gin
I will be different because more people will join the program and when the program expands the more people will be intrested and then the U.S has a more chance that people would want to join the army or military
i think its b? i just need these extra letters so that i can send this lmbo
Immigrants were encouraged by political machines: If you offer free rent food