Answer:
Arrested, tried and convicted in New Orleans of a violation of one of Louisiana's racial segregation laws, he appealed through Louisiana state courts to the U.S. Supreme Court and lost. The resulting "separate but equal" decision against him had wide consequences for civil rights in the United States.
Explanation:
The more productive workers are, it might increase their earnings.
Similarities between Central and state government are both controlled by the government, and sorry if it took a long time but that’s the only answer I know I search every where online and maybe you can try that too? Again I am very sorry, for not enough information.
Advantages : Familiar with the area and also they have a better general and also better soldiers
Disadvantages : Less Soldiers, Less military power