how did world war 1 contribute to the formation of the nazi party? and why did germans choose to join ww1?

1- The increase of anti semitism post-WW1, the Treaty of Versailles and the  political and social chaos in Germany led to various german nationalist parties forming the NSDAP.

2- Germany officially joined WW1 due to its military alliance with the Austro-Hungarian Empire.

answer; william penn's approach made the colony diverse by attracting many types of people and religions;