He intended to arm slaves with weapons from the arsenal, but the attack failed.
The statement "insure domestic tranquility" would remind the states to work together cooperatively because they are the governing entities that can help to prevent domestic conflict.
Answer:
Native Americans were forced to go into reservations.
Explanation:
In the late 19th century, the Americans tried to help what was left of the Natives after the constant wars they fought for their land and the never-ending sickness and illnesses they endured which came from the Americans. The American policy towards Natives pretty much forced them into reservations because they had nowhere else to go and the Americans were not too sure what to do with them.
Likely to be tobacco, opium, sugar.