A secondary source is a experience heard by a primary. pick the one using this definition
It happened baecuase the french has stakes in the economy and they also didn't want comunism to spread.
Answer:
An example that proves that the Civil War played a role in advancing U.S. industrial progress is cotton. Cotton was something that gave women a bit of freedom, because they weren't really allowed to go out much instead they stayed home to do housework.
