The correct answer is <em>A). Setting up schools systems</em>.
States have the faculty to set up school systems. On the other hand, States are not able to coin money or regulate commerce. These activities are under the jurisdiction of the federal government. And with respect to declaring war, it is a competence of federal government.
But states can focus its educational efforts to improve the school systems and grant opportunities for a better education.
Umm, Homer Plessy was a shoemaker who helped future generations of the Civil Rights Movement. He challenged the law by refusing to move from a seat for white ppl in 1896
