What is the root for resolve

1- cleans/ tidies up

2- were

3-would be

4- had known

5-takes

6-must be/ have to be/should be

i think that it is (line 11)

the answer to the problem is most likely a

in his speech "i have a dream," king states the plight of african americans, as he argues that after the civil war, slaves were promised equal rights and freedoms, but that these promises have not materialized.

he goes on to say that there are those who ask "when will you be satisfied? " implying that african americans alread enjoy a lot. in order to attack this argument, king lists examples of civil rights struggles that african americans still face, such as police brutality, segregation and racial prejudice.