In 1921, President Warren G. Harding's administration allowed private companies to secretly lease public land in order to extract oil that had been reserved for the navy. This was called the .

This was called the "TEAPOT DOME SCANDAL".

Explanation: Teapot dome scandal is a term referred to the scandal which happened in 1921 during the administration of president Warren G. Harding, for illegally leasing of federal oil reserve to companies, by the secretary of interior, Albert Bacon Fall.

In 1921 President Warren G. Harding made the secretary of interior, Albert Bacon Fall, the supervisor of the Naval oil reserve field, which was formally supervised by the Navy. Albert Fall illegally gave Harry F. Sinclair of the mammoth oil company the right to the TEAPOT dome reserve. He also have the same right to Edward L. Doheny of the Pan America petroleum company to produce oil from the Elk Hills and Buena Vista Hills reserve in California. He was sentenced to jail after trials, this made him become the first United States government official to be sentenced to jail.

d) all choices are correct

the real answer is b