They held wars to make people sacrifice their life to show they may use sacrifice
1) First modern credit card introduced. 2) First organ transplant. 3) First "peanuts" cartoon strip introduced. 4) Korean war begins. 5) Senator Joseph Mccarthy begins communist witch hunt. 6) U.S president Truman orders construction of Hydrogen bomb. Hope this helps :)
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.
I feel like “The voyages were risky, and there was no insurance to cover the risk” is the answer. Investors didn’t want to lose money and the only way that they would somehow break even on the cost would be if the voyage found riches.