<span>The federalist party was badly hurt by its involvement in the Hartford Convention, that is true.
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2. to allow more trade between countries
Yep, number 2 :D
Answer:
For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.
The main reason was the South wanted to preserve slavery. The North wanted to abolish it. If you want some other reasons than slavery, let me know, and I will do my best to add more to this answer.
