1. 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.

it made them more prductive and efficent but with the change of polcies less and les got into the navy

b europeans take corn to africa. corn becomes an important crop there.

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.