True, Nelson Mandela was the first black president , he won 62 percent of the congress votes.
<span> State government officials were frustrated by the federal government's use of the </span>supremacy clause<span>, and the way it prevented them from passing laws they felt necessary.</span>
C) The us did not want anything to do with Europes problems<span />
Imot sure if there are options...but i think it, like, weakened their their attempts to get rid of slavery.. Hope this helped :P