How could colonies a mother country militarily?

What was a major cause of world war i?

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

What was unification difficult to accomplish in both germany and italy? a.) weaker states we’re attacked by stronger states for control of the emerging nations. b.) major european powers fought to keep independent states under their control. c.) germans and italians did not share common histories and languages.