What impact did immigration have on cities of the United States at the turn of the 20th century?

Which statement best summarizes the global depression?

Why didn’t the united states participate in the league of nations? the u. s. senate did not want the country to join. president wilson did not want the country to join. the league of nations was only for european countries. the league of nations had failed to prevent world war 1

Explain how the woman's auxiliary contributed to the war effort.