One feature that helped the U.S. grow in industry was the inovation.
Answer:
A or b
Explanation:
A is if they create medical robotic systems from corona and they don't work or, b (Which is happening right now) colored people will protest their rights.
Steel was critical in efforts to imperialists because steel doesn’t rust which need a criticize
The answer is B. Partisanship.
Partisanship is basically political bias; a party is in favor of a specific cause/event. Therefore, when elected officials support the policies and programs of their own party, they're engaging in partisanship.