Despite President Warren G. Harding's policy of isolationism, the U.S. became involved in the Middle East to
a) support a homeland for Jews in Israel.
b) prevent the League of Nations from establishing British and French. protectorates in the region.
c) stop the Soviet Union from dominating the area.
d) secure oil-drilling concessions for American companies.
e) curb the rise of Arab nationalism.
Answer: D