What was social, economic, and political life like in europe in the middle ages?

What is the main subject of this map? a. world war i in europe b. nazi aggression in europe c. world war ii in europe d. europe during the cold war

About 300 billion dollars in taxes is lost in the united states alone due to an underground economy, which involves paying individuals cash rather than having them on the official payroll. a. true b. false

New communication technologies, improved transportation, and advanced military weapons made it possible for countries to speed up acquiring territory. rule large amounts of territory. fight off competition from opposing nations. expand their economies, which aided in conguest.