36' 30 is the latitude that was chosen as the dividing line between slave and free states.
The Longhouse (or Birch Bark House) was a long, narrow house that was traditionally built by the American Native Indians of theNortheast Woodlands. The main tribes who used the longhouse were those belonging to the powerful Iroquois Confederacy which included the Mohawk, Oneida, Onondaga,Cayuga and Seneca people. Hope this is the answer?
the purpose of checks and balances was to to ensure that no one branch of government gets too powerful
