To fend off communists and is an example of the Containment policy.
A powerful committee of the us senate charged with finding ways to raise federal revenues is the "Ways and Means Committee". This committee is usually made up of both Democrats and Republicans.
One reason the Justinian code was significant was that it was one of the very first physical written codes of jurisprudence in the world--which set a precedent for centuries to come.
From 1790-1860 there were quite a few states in the north that had slaves. The states that had a large number of them were:
New York
New Jersey
Maryland
Washington D.C.