How did world war ii influence and change the identity of the united states throughout the 1900s and into the present?

- 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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2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.