The french colonization effort in southeast asia was supported by republicans such as who argued that " superior races have a right vis-à-vis the inferior they have a right to civilize them."

The answer is: Jules Ferry

The French colonization effort in Southeast Asia was supported by republicans such as _Jules Ferry_, who argued that "the superior races have a right vis-à-vis the inferior races. They have a right to civilize them."

Explanation:          

In July 1885, the French premier Jules Ferry argued that "superior races" had a right and duty to civilize those "inferior" to them.

Ferry also played a major part in the dramatic extension of France’s colonial territories.

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