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?
Answer:
C. to eliminate monopolies, trusts, or any agreement that restricted fair trade
Explanation:
Congress passed this law to prohibit monopolies which had grown rapidly. It was passed by John Sherman because it was to stop monopoly businesses.
the Emancipation Proclamation officially took effect, the ideals of the Proclamation had been carefully contemplated by President Lincoln many months before.
Answer:
The Great Depression
Explanation:
The United States was still suffering the Great Depression before it intervened. In 1939, Roosevelt told Americans that he wouldn't get involved in World War II, however quickly declared war after the Bombing of Pearl Harbor.
The US would need workers as a result of the war effort, and employed thousands of people at a time. People had jobs for the first time in ages, and many economists believed that the Great Depression was truly over.