The implementation of foreign policy primarily falls to the president, who leads the executive branch. While Congress and executive agencies contribute to foreign policy formation, it is the president who executes these policies. Armed forces act under presidential orders when military involvement is necessary. ;
The implementation of foreign policy is primarily the responsibility of the president, who leads the executive branch and directs various agencies and the armed forces. While Congress influences foreign policy, it does not execute it directly. Therefore, the correct answer is A. the president .
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