I do not wanna say the wrong thing or youse the wrong words so the answer is on google I am 100% sure :)
I think the correct answer from the choices listed above is option A. One of the most important legacies of the Northwest Ordinance was that it prevented the expansion of slavery in the north of the Ohio River in the newterritories. Hope this answers the question.
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.
He contributed to the invention of the radio
