Soviet aligned states were part of the Warsaw Pact, opposing the NATO.
The answer for your question is 1666 Kilometers
The 14th amendment granted citizenship and equal rights to African Americans and slaves who were emancipated during the Civil War. It also ratified to help protect the rights of native-born Black Americans. It was written to help prevent the states government from denying citizenship to Blacks born in the United States.
I think it was the:
Civil Rights Act
The Civil Rights Act of 1957 was passed in order to make sure that all
Americans could exercise their right to vote. It was the first civil
rights legislation passed since reconstruction. Its enactment also came after African Americans were increasingly targeted with violence following the U.S. Supreme Court’s Brown v. Board of Education decision ending segregation in schools. The law showed a renewed national attention to
guaranteeing civil rights to all Americans. In addition, it established the Commission on Civil Rights, a federal oversight committee that examined opinions of the public and state laws regarding civil rights.
Because the amount of money in the world will change over time, the Constitution is never changing but the Congress changes every so often and knows what amount is appropriate for that time period. if that doesn't make sense I'm sorry it's a bit difficult to explain.