Apartheid in south africa is a modern example of which government

- 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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explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali