The correct answer is B) the loss of the seven years war.
France imperialistic maneuvers focused on Indochina due to the loss of the seven years war.
The Seven Years war was fouth from 1756 to 1763. It was a major conflict in the European territory involved France, Austria, Sweden, and Russia, against Prussia. Hanover and Great Britain. The reason of the war was the attempt of Austria to recuperate the territory of Silesia that was in the hands of Prussia. After the conflict, France imperialistic maneuvers focused on Indochina due to the loss of the seven years war.