The Palo Duro Canyon was formed by a branch of the Red River in this region. The canyon is 20 miles wide. *

I think for looking for Texas Panhandle between Amarillo and Canyon.

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.

answer; i believe the correct answer is (favorable balance);