Answer: Decisiva victoria de las tropas estadounidenses
There were several major factors that led to stalemate in the trenches, but the best options from the list are "Defensive weapons were better than offensive ones.
<span>and Trenches were designed for defense."</span>
They were forced to settle in the suburbs
Explanation:
After the war ended and during Reconstruction, the Northern industrial economy had made important progress, particularly in manufacturing and railroad-building. The struggle for political reform and eventual legal changes, like the Civil Rights Act and the Fifteenth Amendment, affected the North as well as the South
