Exchange courses<span> and rise of the middle class.
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Most of the work are done in the committees.
<u>Explanation: </u>
A congressional committee is defined as a legislative sub-organization for the "United States Congress". In a general Congress, it is expected that no one member is all knowing. Thus, the presence of these Congressional committees provides incomparable and invaluable informational services for the Congress by compiling information and reporting back to the Congress on specialized subject matters.
This investigatory functioning part of the Congress is non-replaceable, and certainly has more work done than the debate floor, Senate or the House of Representatives. Thus, making the answer in the committees correct.
Answer: The ink had barely dried on the Treaty of Versailles, which formally ended World War I, when recently returned black veterans grabbed their guns and stationed themselves on rooftops in black neighborhoods in Washington D.C., prepared to act as snipers in the case of mob violence in July of 1919. Others set up blockades around Howard University, a black intellectual hub, creating a protective ring around residents.
Explanation: