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Read the sentence.

The first Spanish viceroy of Mexico Antonio de Mendoza was appointed in 1535.

Which answer shows proper comma usage?

The first Spanish viceroy, of Mexico, Antonio de Mendoza, was appointed in 1535.

The first Spanish viceroy of Mexico, Antonio de Mendoza, was appointed in 1535.

The first Spanish viceroy of Mexico Antonio de Mendoza, was appointed in 1535.

The first Spanish viceroy of Mexico, Antonio de Mendoza was appointed in 1535.

The correct answer is: The first Spanish viceroy of Mexico, Antonio de Mendoza, was appointed in 1535.

The answer that shows proper comma usage is:

The first Spanish viceroy of Mexico, Antonio de Mendoza, was appointed in 1535.