During World War I, the main goal of the US government agency that created war posters was to increase public support for the war.
to convince the soldiers in Europe to fight.
to help get President Wilson reelected.
to take people’s minds off the war.

To increase public support in the war as American people were not very fond of a war that was happening across the ocean.

Explanation:

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

1. temperance, abolitionist, suffragist