The main goal of the Reconstruction Era was to address the social, political, and economic issues that resulted from the Civil War. This included abolishing slavery, granting citizenship to African Americans, and establishing a new government in the South.

The 13th Amendment to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime.

The 14th Amendment to the United States Constitution granted citizenship to all persons born or naturalized in the United States, including African Americans.

The 15th Amendment to the United States Constitution prohibited states from depriving citizens of the right to vote based on race, color, or previous condition of servitude.

The Freedmen's Bureau was a federal agency created in 1865 to help enforce the rights of African Americans during the Reconstruction Era.

The Ku Klux Klan was a white supremacist terrorist group that opposed the Reconstruction Era. They used violence and intimidation to prevent African Americans from exercising their rights.

The Black Codes were laws passed by Southern states to restrict the rights of African Americans. These laws included restrictions on voting, jury service, and property ownership.

The Jim Crow Laws were laws passed by Southern states to segregate African Americans from whites. These laws included segregation in schools, public transportation, and other public places.

Plessy v. Ferguson was a Supreme Court case that upheld the constitutionality of segregation. The Court ruled that segregation was legal as long as the facilities provided for African Americans were equal to those provided for whites.

Brown v. Board of Education was a Supreme Court case that overturned the decision in Plessy v. Ferguson. The Court ruled that segregation was unconstitutional and that all children must be allowed to attend the same schools regardless of their race.

Martin Luther King, Jr. was a civil rights movement leader who was assassinated in 1968. He was a prominent advocate for nonviolent protest and is considered one of the most important figures in the civil rights movement.

Malcolm X was a civil rights movement leader who was known for his fiery speeches and advocacy for black nationalism. He was a prominent member of the Nation of Islam and is considered one of the most important figures in the civil rights movement.

Rosa Parks was a civil rights movement leader who was known for her refusal to give up her seat on a bus to a white man. Her act of defiance sparked the Montgomery Bus Boycott, which lasted for over a year and helped to bring about the desegregation of public transportation in the United States.

John Lewis was a civil rights movement leader who was known for his work in the Student Nonviolent Coordinating Committee (SNCC). He was a prominent participant in the March on Washington and is considered one of the most important figures in the civil rights movement.

The National Association for the Advancement of Colored People (NAACP) was founded in 1909. It is the oldest and largest civil rights organization in the United States. The NAACP has played a major role in the fight for civil rights for African Americans.