The adamson act, which legislated working hours and pay in the railroad industry, was significant because

it blazed a trail for similar policies in other industries.

Explanation:

The Adamson Act was a law passed in 1916 to prevent workers on the interstate railroad from being abused with hours of inhumane and exhausting work, so the law required workers to work only 8 hours a day and if it were necessary to work longer, they should receive an additional wage. This law was of extreme importance in the United States, because through it, other companies began to be forced to establish the working day of 8 hours a day.

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.