Answer:
The major cause of the split in American politics in the early 1800s was over slavery, so a positive effect was that it forced the nation to deal with the slavery issue, while a negative effect was that it led to the Civil War.
Explanation:
Answer:
The failure to bring missionaries
Answer:it called for the leaders of labor unions to work closely with mill management
Explanation:
The answer is 130 million books have been written