The income a nation collects from taxes is called:

The income a nation collects from taxes is broadly and accurately termed Revenue. Revenue encompasses all financial income received by a government from various sources, with taxes being a primary component. Options A, B, and C—Property tax, Sales tax, and Income tax—are specific categories or types of taxes. While they contribute to a nation's revenue, they do not represent the collective term for all income derived from taxes. Therefore, 'Revenue' is the most comprehensive and correct answer, referring to the total financial intake of the government.