The choice that was not a factor is America gained European territory after the war and was able to export products to Europe and Africa without economic barriers. America in fact sent much aid to European nations under the Marshal Plan to help rebuild european countries.
I don't know too much about the commerce commission but the sherman antitrust act was created due to bad trusts abusing their powers of having national power over a certain product and therefore holding a monopoly and a sort of dictatorship in a certain field. The sherman antitrust act was the first time the government officially intervened with private businesses and laborers. Pretty much the trusts overworked workers and skyrocketed prices and people complained. I'm blanking on the word for when "the government doesn't interfere with private businesses" but the government finally interfered with this act.
Limiting factor can be birth rate or death rate
The main reason why France initially sent fleets to Newfoundland was to "fish for cod," since this fish was in high demand, had a decent amount of nutritional value, and was abundant in this region.
