How did geographic and human factors influence the building of the Panama Canal?

This map shows north korea and south korea today. how does this map reflect the impact of the korean war?

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.

What was the purpose of the federal reserve system