The answer is Freedom of press because one of the people in the room are recording while he is speaking and the in the room who are in the crowd is a press
The three-fifths compromise provided for counting slaves for representation in Congress and in the electoral college.
They were taxed, but they had no representation in parliament. They believed it was unfair, and thus the cry "No Taxation without representation" was created
Europeans couldn't travel into the interior of Africa in order to take it over because of the African-ruled trade, couldn't navigate violent rivers, or overpower their strong armies. Disease also held them back.