What happened to Alexander's armies on the march home?

Thousands of soldiers died of heat and thirst in the desert.

Explanation:

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d. migration of french settlers into english colonies

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.