The event that convinced American leaders to call the grand convention was Shay's Rebellion. Shays' Rebellion constituted a wave of violent attacks on courthouses and other government properties in Massachusetts, initiating in 1786, which resulted in a full-blown military confrontation in 1787.
The correct answer is B. The President wants to choose a justice that will be beneficial to him, even if it might now be the Congress's or current justices favorite.
