These areas are named triple junctions and can be found in several places across the world today. The separated margins of the continents evolve to form passive margins. Hess' theory was that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge.
The Treaty of Versailles meant peace at the times, as it ended the WWI. However, it also established very harsh conditions for Germany (high war reparations), which later led to Germany's poverty and the rize of Nazis to power : so it's blamed for instigating (causing, leading to) the WWII.
The Treaty of Versailles also brought a big land loss for Germany, Austria and Hungary.
Answer:
the purpose of senete was good