Answer:
They could share a familiar culture.
They could speak a common language.
They could help each other learn how to survive in America.
I think the answer is letter a. David Wilmot.
It is because Wilmot was known as the instrument in establishing the Republican Party in Pennsylvania and a driving force in the formation of the Republican Party.
The responsibilities of labor unions included: organizing workers promoting better collective bargaining between laborers and employers forcing corporations to consider the plight of their workers passing labor legislation hiring factory workers.