Answer:
One hundred years later, the life of the Negro is still sadly crippled by the manacles of segregation and the chains of discrimination. One hundred years later, the Negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity.
1. Members of Congress receive their information about complex members from lobbying groups, who work to inform the members of Congress on their stated issues. Being as information can have a bias, this is a way that Congresspeople are influenced by outside groups.
2. Congresspeople are very prominent figures, so they are able to lead groups as figureheads and influence through their leadership roles.