The idea of the us gaining all land from one seaboard to the other is called manifest destiny the us gained these lands through several different purchases, annexations, and agreements such as the annexation of texas the treaty to give the us land in oregon below the 49th parallel and so forth.
It depends what’s the following answer
I believe that the 15th Amendment granted suffrage (the right to vote) to African American men.
women were viewed as inferior to men.
