I'm pretty sure that would be, Frederick Douglass.
The answer is C former slaves fighting in the Union army were essential to several Northern Victories.
Before a bill is a bill, it is an idea, then a bill, and from there it needs a sponsor, or a few, from the House of Representatives, and from there it is then introduced into the House of Representatives, then it goes to the Committee who revise, review, and research the bill. It's then sent back to the House, debated/voted upon, where it goes to the Senate, from the Senate to the President, he signs it, and thus the bill becomes a law.
He sent federal troops to protect Meredith and allow him to enroll.
In 1962, an African American man named James Meredith attempted to enroll at the all-white University of Mississippi. After the Kennedy administration brought out 31,000 National Guardsmen and other federal forces to execute the law, riots broke out on the Ole Miss campus, leaving two people dead, hundreds injured, and many others jailed.
Brown v. Board of Education, a landmark 1954 Supreme Court case, determined that racial segregation in educational and other institutions violated the 14th Amendment of the United States Constitution, which guaranteed equal treatment of the law to all people within its authority.
This judgement substantially undermined the "separate but equal" rule established in 1896 by an earlier court case, Plessy v. Ferguson, which determined that equal protection was not breached as long as both groups were treated with reasonably equal conditions.
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