What was the u. s. policy once world war 1 begin in europe

To stay out of foreign affairs unless they directly affected the U.S itself.

Hope this helps!

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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b) the confederacy had to pay all union war expenses.