Answer:
The real and main reason was The Assassination of Archduke Francisco Ferdinand heir to the throne of Austria-Hungary in his visit in Bosnia. The Hero Gavrilo Princep killed him because he want his country to have independence.
There are also reasons like Imperialism, Nationalism, Militarism and many otherd
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?