What were the three main influences to the United States entrance into World War I?

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As the coach of the u. s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u. s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u. s. citizens need to protect in order to preserve the democratic political system and the american way of life.