The Articles of confederation was weak in that it had no power to tax, it couldnot enforce the laws in the constitution and couldn't maintain an army.In this case, the central government couldn't accoplish anything because it had no authority as all powers were placed on the states.
The Shays rebellion demostrated to the governement the need for a strong central government, one that could stand firm on basis of its laws and the constitution.This was achieved through the first revolution under the new government that led to the formation of a central government with strong powers and control.
In addition to that, the articles of confederation was weak because it prohibited the collection of direct taxes on income and property yet these taxes were necessary to facilitate the payment of war debts and to enable the country have a working economy.Shays rebellion exposed these weaknessess fro correction.
The options to your Question are:
a) Saturday Night Massacre
b) Executive Privilege Firings
c) Nixon Cover-Up
d) Watergate Scandal
The correct answer is Option a. Saturday Night Massacre refers to President Nixon's order to fire several of his staff members who refused to follow his orders. The exact origin of this phrase could not be tracked but it first appeared in an Article of Washington Post two days following the event and the author of that article stated in the article that the event was already being termed as Saturday Night Massacre.
The treaty of versailles was set up by the british parliment and it included harsh terms which caused germans to feel outcheated their territory and they were worrying about the effect of the repayment on their economy. It was the main cause of all tensions in Europe
Because they were big events in history that made today be today ;)