D. Chief advisor to the President on Foreign Affairs
Explanation:
All of the foreign policies of the United States of America are implemented by the Secretary of State. It was formed on the 27th of July, 1789 with its headquarters in Washington DC. The United States Secretary of State is the head of the U.S. Department of State, member of Cabinet and the National Security Council.
The Secretary of State reports directly to the President on all foreign affairs and immigration policies related to the country.
Hence, the Job of the Secretary of State involves being the chief advisor to the President on Foreign Affairs. The incumbent Secretary of State is Antony J. Blinken who was appointed on the 26th of January, 2021.
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