which geographic feature served as the western boundary for British colonial settlements prior to the American revolution war

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.

According to the map, most mining occurs in the a.northern b.southern c.eastern d.western

Can someone me out with this , i'm putting 30 points on it