Answer:
The answer is C
The assembly line made it easier to manufacture which led to a cheaper product.
Answer:
D. a love letter written to John Adams from Abigail Adams.
Explanation:
A love letter written directly from one person to another is a direct account. All of the other sources are secondary accounts (they are written or investigated by another person).
If I remember correctly.. she was A nurse on the battlefield for the Union army during the Civil war.
Answer:
D, demonstrating American strength to the world.
Imperialism is the right answer.