Step 1: think about these big questions: when was the tipping point at which the united states could no longer be considered an isolated nation? at what point could the united states no longer avoid involvement in world war ii? step 2: respond to each of the prompts below in a separate paragraph: explain the reasons for u. s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response. in your opinion, what was the point at which u. s. actions were no longer neutral? explain your reasoning with supporting details from the lesson. criticize or defend each of the u. s. actions surrounding world war ii that are listed below. justify your opinion with supporting details from the lesson.1st neutrality act cash and carry u. s aid to china lend-lease act