Gross domestic product (GDP) is the value of goods and services produced in a country annually. It can best be described as measuring an economy's
total product.
total demand.
total input.
Total output

The answer is total output including goods and services

- 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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