How did the united states make contributions to the war effort during world war i?

Deploying troops and supplies

Explanation:

The United States entered the WWI in the 6 of April of 1917 when declared the war to Germany and for this date they started drafting men for the war. 2 years after about 2 million of American soldiers have being deployed in France.  

As the country declare war against Germany the preparation of labor and food became a priority for the government that taught people how to grow food in their own backyards and secure that labor was consistent to have enough supplies.

the first action that caused many creek indians to turn against william mcintosh was when mcintosh a) supported the united states during the creek war of 1813–1814. b) attempted to stop the sale of creek land to the u.s. government. c) seized control of over 1,000 acres of land belonging to the creeks.

i also think it is c