Copernicus believed that celestial bodies followed a circular orbital path
If your choices are the following:
The cotton gin
The flying shuttle
The water frame
The shuttle fram
The textile innovation reduced the labor force needed to operate looms by half is The cotton gin. So the answer is the first option.
United States and Native Americans
All that apply are A and B, But if only one is correct then the best ways to go is B as it was more important in that time