Answer:
D. Secretary of War
Explanation:
Henry Knox played Secretary of War in the President George Washington’s Cabinet after the approval of the federal constitution and served from 1789 to 1794.
Under George Washington's presidential cabinet included just four original members: Attorney General was given to Edmund Randolph, Secretary of Treasury was Alexander Hamilton, Secretary of State was Thomas Jefferson and Secretary of War was Henry Knox.
Hence, the correct answer "D. Secretary of War".
