The answer would logically be A.
An oil spill covering an entire ocean has nothing to do with politics.
Nor does C.
B doesn't really contribute much to the question at hand. Sure, he's a politician, but who cares about the large glasses or big ears?
Generally speaking, judicial activism is the opposite of judicial restraint in that when a judge is especially "active," he or she imposes more of his or her own will in the case, whereas if a judge is more "restrained," they rely more on precedent.
C) Rally leaders were illegally arrested and convicted is not an accurate description of the Haymarket Square incident. Some men were arrested for carrying out the planning and construction of a bomb which was thrown and killed some policemen. Americans were in favor of defending the rights of workers and for them to be able to demonstrate and the rally had started as peaceful.
The country's navy uses only imported wood and steel to build itsships.