Eli Whitney’s development of interchangeable parts led Frederick Taylor to propose a system of

Taylor system or Taylorism developed a widely used system to make industrial production more efficient.

Explanation: I hope this helps :)

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.