i think this may help you
Answer:
Treaty of Versailles
Appeasement
Hitler invading Poland
Japanese Imperialism into China caused the Nanking Massacre
Failure of League of Nations
Answer: if two-thirds of both houses override the veto
Explanation: Once the governor receives a bill, he can sign it, veto it, or do nothing. ... If he vetoes the bill, and the Senate and House of Representatives do nothing, the bill “dies. “ If he vetoes the bill and the Senate and the House of Representatives attempt to over-ride the veto, the bill may still become law.
The most likely reason is to prevent the president from abusing its power.
Hope this helps:)
So that you know what your essay is about you need evidence to build you argument on