How can i study and learn history? i can't remember all

Which of the tribes fought the u. s. army for 10 years to keep their land

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.

Why caused john quincy adams to write the monroe doctrine?