This depends entirely on the period in question, since prior to the Civil War the states started to gain more power (since many of them actually seceded from the Union), but after the Civil War the federal government solidified its hold over the states.
It help us see with out candles consally burnig and people burned them self a lot less
Answer: I'm not sure if there are other choices but Plessy v. Ferg began Apr 13, 1896, and ended May 18, 1896, and Brown v. Board of education started in 1951 and ended May 17, 1954.
Explanation:
1. Plessy v. Ferg.
2. Brown v. Board of Education.
Embargo. Hope this helps. Please Mark as Brainliest