When the Republican Party formed in the 1850s, its support for free labor meant that

from the conditions of the working class in england by friedrich engels,the main idea is :

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.