B. A proposed law being considered by Congress
First, it was a very cool climate in the early fourteenth century when the crop failure happened. Also, irregular lengthy rain patterns killed the crops very fast.
The Cold War was a period of geopolitics tension between the Soviet Union and the United States and their respective allies.
Slavery and the power of federal government led to a war in america
Jamestown was founded in 1607.
Massachusetts was founded in 1788.
So 181 years passed between.