Black Hawk was not sorry for rebelling, he was defending his land and his people from what he called "cheating men" because they took the land they had known for thousand of years by force and made them go to lands they could not grow enough food on.
Midterm elections usually have the characteristic of lower voter turnout than Presidential year elections.
People usually feel less motivated and, as a result, less people vote during what is considered "off years." As a result, there is often more movement in who holds the House or Senate as a result of only die hard voters participating in the off year.
A) Rosa Parks actions sparked the Montgomery bus boycott. She was forced to move to the back of the bus to give her seat up for a white woman, but refused to. During this time period in the South, African Americans were supposed to sit in the back of the bus, and could only sit in the front of the bus if no Whites were on the bus at the same time.