In which battle did the athenian navy decisively defeat a large persian fleet and save greece from invasion?
a. battle of thermopylae
b. battle of salamis
c. battle of ephesus
d. battle of marathon

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.