Answer:
Then, in the early 1960s, the Supreme Court rendered a string of decisions known as the “reapportionment cases” that fundamentally changed the voting landscape for African Americans. In no uncertain terms, the court required that representation in federal and state legislatures be based substantially on population. Baker v.
Explanation:
I have to say B. The rest were concepts made in Greece, by Greek philosophers, politicians, or mathematicians. An example for an advancement in math is the Pythagorean Theorem. I hope this helps!