What might happen today if the United States and other nations followed the key idea of the Kellogg - Briand Pact ?

The Kellogg-Briand Pact was an agreement to outlaw war signed on August 27, 1928. Sometimes called the Pact of Paris for the city in which it was signed, the pact was one of many international efforts to prevent another World War, but it had little effect in stopping the rising militarism of the 1930s or preventing World War II.

Farm land would be my guess