All of the Following Is True About the French and Indochina

All of the following is true about the French and Indochina EXCEPT

A) France fought China in the 1880s to acquire what today is Vietnam, Laos, and Cambodia.
B) the French parliament disapproved of the conquest and threw out the government responsible for it.
C) France used Indochina to expand into Siam (Thailand) .
D) Indochina and France conducted very little trade.
E) France as a whole was indifferent to events in Indochina.