This was known as the Roaring Twenties :)
it went to depresion
D. A small growth spurt was followed by stagnation.
After world war two economy of us developed. Many American economist feared that after world war 2 Economy may fall like great depression. but instead the economy spur up dramatically because of pent-up demand of consumers. The automobile industries successfully back in producing cars and aviation and electronic industry grew at much faster rate.
Explanation: the global economy began to decline. In the United States, 1918–1919 saw a modest economic retreat, but the second part of 1919 saw a mild recovery. A more severe recession hit the United States in 1920 and 1921, when the global economy fell very sharply.
In the early 1980s, the American economy was suffering through a deep recession. Business bankruptcies rose sharply compared to previous years. Farmers also suffered due to a decline in agricultural exports, falling crop prices, and rising interest rates.
it went into a brief recession
The U.S economy won't fall, but it will have some problems.
If all manufactures start making their own parts, the U.S Government wont have any customers to buy the resources needed to make a part. These Manufacturers will have to make mines and factories of their own to do this. It is unlikely that manufacturers will make factories or mines to make their own parts because it is going to be a huge project and its going to cost a lot of money which will be a lose-lose situation because both the U.S and the manufacturers are not going to benefit.