The Open Door Policy was an assertion of America's

A. interest in trade with Japan.

B. desire that all western powers leave China.

C. interest in trade with Europe.

D. desire for free trade with China.

I believe the correct answer from the choices listed above is option D. The Open Door Policy was an assertion of America’s desire for free trade with China. It is a statement of principles initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China.