There were not enough paid workers arriving from Europe quick enough to meet the demand, so they turned towards slave labor. A
Answer:
I believe it was the National Labor Union
Explanation:
The National Labor Union tried to persuade Congress to limit some of the things workers were experiencing.
I HOPE THIS ENDS UP HELPING :)
They wanted to gain knowledge
Similar to how they felt about the rest of the proposed federal government, the Anti-Federalists believed the Constitution granted too much power to the federal courts, at the expense of the state and local courts. They argued that the federal courts would be too far away to provide justice to the average citizen.