Impeachment charges are brought against government officials by C. the House of Representatives.
It is the only body which has such authorities as to impeach someone. It can initiate the impeachment, whereas the Senate has the right to try such impeachments, but cannot start the whole process itself - it is what H.O.R. does.
The answer would be social.
The purpose of treaties between the U.S. Government and Indians was to first of all keep peace between the two and give colonists permission to settle Indian land. Hope this helps!
It is Crispus Attack from in 1723 through 1770, was an American stevedore and sailor, thought to be first person to kill in the Boston Massacre.