Question

What was the main aim of revolutionaries of Europe during the years following 1815
Or
What were the two bases of colonial economy in Vietnam?

Answer 1

They had a "moralising" mission.
They wanted to created an asiatic france solidly tied to france.
They wanted to make colonies,and also civilise people by destroying there tradtion ,culture ,etc which they thought are backward and prevented modern civilisation.

Answer 2

The rubber plantations which were owned by the Vietnamese elite. In order to increase the rice production in the Me Kong delta infrastructural development was taken up and canals were constructed. The Trans indo China rail network was set up in order to connect different areas and facilitate trade