Answer:
Obama is the best he will be the best
Explanation:
Read above ^^
They were all barriers for the colonial period
To be honest. This is why the civil war happened. Some people may have lived in the free states, but Most people fought for their beliefs. Hope I helped.
It has steadily declined. The unions are not used nowadays at all. In the 70s approximately 35% of people were unionized. In 2013 only 11.5% of workers belong in a union and fight for workers rights. Unions strength has weakened because people are not interested in them.