Washington Gladden’s ideas would most closely be tied to which period in US history?

Washington Gladden was a politician, a firm believer in the social gospel and a social reformer from Ohio, United States. The period from 1890 to 1920 was popularly called progressive era because during this period the country went through significant political and social reforms

Explanation:

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.

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