Answer:
On November 30, 1863, Indiana Governor Oliver P. Morton was authorized by letter from the U.S. War Department to raise one regiment of infantry composed of colored men.
Explanation:
President Richard Nixon did all of these things except be impeached. Instead, as a result of the Watergate scandal, he resigned while still in office. Many think he would have been impeached had he remained in office.
Both Leaders challenged the European Union.
And they both studied chemistry at universities.
Please correct me if I'm wrong!! :)