Help meh plz and match as many as you can as well

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

The first map shows colonial powers and their holdings (1945). the second map shows human development worldwide. compare the two maps. what do the maps indicate about regions that gained independence in the second half of the twentieth century? they differ in their development patterns. they are as developed as their colonial powers. they are more developed than their colonial powers. they remain less developed than their colonial powers.

31/3: which equation has the solutions x =?