Answer:
Letter from a Birmingham jail: The letter written by Martin Luther King Jr. The main point of it was to defend the stratefy of nonviolence in racism.
March on Washington: The march that showed that racism was still wrong and unequal. Showed that the people were willing to stand up to the government even if it meant violence.
Selma Marches: The march that escualted to violence. The state and local lawmen beat them back with clubs and tear gas.
Poll taxes: Taxes put on every individual no matter the income or resources.
Explanation:
Technology or another type of source
