Why didnt the federal gov do something about Jim crow laws?

In the roman republic who controlled the army and directed the government during peacetime? When did the number of american military personnel begin to increase? What country is Jim Farrell from? When did Lady Godiva ride a horse naked? What was the great awakening of the 1730 and 1740s? What countries owned Oregon Country? What countries are off limits to military? Was the Japanese emperor or shogun the boss? Is Robert earl Davis jr really dead? What are the physical features in the mid Atlantic colonies? What year did Ferdinand Magellan land in the Philippines? What is a Jim crow laws? What does water act as? When was Oliver cromwell crowned king? Are the cardinals better than the cubs? What did the eastern half of the Roman Empire convert to? During the shang and zhou dynasties who was head of each household? Where is the Fallbrook Library in Fallbrook located? How does the roman form of government compare to the current us system of government? Has David Beckham played for Manchester united?