What is the greatest common factor of 42 and 90

Brainliestt asap!me : ) describe the difference : capitalism vs. communism

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.

Do you think the isolationist were correct in arguing the roosevelt’s policies, including lend lease, would increase the likelihood of war