What was the most significant development during reconstruction

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement