What name is given to the landholding elites that made up Rome’s governing body?

Patricians

Explanation:

Roman citizens were divided up into two distinct classes: the plebeians and the patricians. The patricians were the wealthy upper class people. Everyone else was considered a plebeian.

The patricians were the ruling class of the early Roman Empire. Only certain families were part of the patrician class and you had to be born a patrician. The patricians were only a small percentage of the Roman population, but they held all the power.

All the other citizens of Rome were Plebeians. Plebeians were the farmers, craftsmen, laborers, and soldiers of Rome

- 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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i think it's a)sparta