How were the Europeans able to expand their influence or grasp so so many parts of the world

1: how did the rise of rulers with total power in europe and asia lead to world war 2?

What was a result of the industrial revolution in the united states

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.