They may have been able to prevent the Pacific War of World War 2. If they had lifted the oil embargo it could be the Japanese Military may have chosen to stop the invasion of other nations but that is still questionable. The Japanese did have their minds set on becoming "world ruler" of the Asian territories.
Never in a million years could the US have stopped the war in Europe unless they would have killed him in World War 1 or before WW2.
The American public did not approve of US participation in the war because of the country's isolationist history.
No
The American Civil War (1861-1865) prevented any kind of help towards Mexico.
how did the explosion of the battleship maine contribute to the beginning of the spanish-american war
It prevented South Korea from being annexed by North Korea.
Not now, seeing as how it was over over 90 years ago.
The Neutrality Act
us public union
The American public did not approve of US participation in the war because of the country's isolationist history.
the US helped many nations at war
The US could have denied Texas the right to become a US State until after it worked a deal with Mexico on a border between the Republic of Texas and Mexico.
No
The US forces arrested him and prevented his escape during an Iraqi War Crimes Tribunal.
Could not get congressional approval
The Teller Amendment.
I am not sure what you want to know. One can never really go back in time and the world and the US could never really be what it was before the war, but Harding tried and many things went back to what they had been. There was not much one could do about the disruption to the economy that the war caused and maybe you are thinking about the world-wide depression that followed the war. Maybe you are thinking of prohibition which changed American life for a while when Harding took office.
Cliffs