Can someone please help with this question

Using complete sentences, compare and contrast the leadership and accomplishments of martin luther king, jr. and frederick douglass.

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.

Need ! how did sumner define liberty in the book of "voices of freedom"