How long did the congress of vienna go on?

What might balance federal and state powers present a problem

What were some of the great finds that portuguese sailors discovered after prince henry established his navigational school in 1415? the gold coast and the cape verde islands gold and silver ore china the cape of good hope

100 which of the six principles of the constitution is most impacted by gerrymandering? i need 2 paragraphs or else it will be reported.