Why does the period 1789-1793 constitute a break?

if your are talking about US History, then, its because the years 1789-1793 was known as the Era of Good Feeling when the democratic and Republican parties got along, and had no disagreements over politics and policies at all.

anyone who decides to disrespect or start absurd rumors without supporting evidence about congress or president will be charged/serve time and or fined @ jayxboof

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.