Can i plz plz plz have some help with this

What was martin luther king, jr., referencing in the passage that brought him to lead a protest in birmingham?

How has u.s. participation in international economic development efforts affected other countries? o a. it has made some countries decide they no longer want close ties with the united states. b. it has ended diplomatic ties with countries that refuse to participate. c. it has raised money to poor nations grow their economies. d. it has caused the united states to intervene militarily to stop human rights abuses.

How did the constitution of 1917 try to resolve some of the problems that started the mexican revolution