Answer:The Second English Civil War (1648–1649) was the second of three civil wars known collectively as the English Civil War (or Wars), which refers to the series of armed conflicts and political machinations which took place between Parliamentarians and Royalists from 1642 until 1651 and also include the First English Civil War (1642–1646) and the Third English Civil War (1649–1651), all of which were part of the Wars of the Three Kingdoms.
The proclamation line was something that happened in 1763 and the Boston Massacre was definitely something else, so it may be A. But my research says its not A B or C so ♂️