What are the dangers of the oregon trail? i need a list of dangers people needed to look out for

crossing rivers could drown people and oxen so they had to look out for swift currents.

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.