How did this vietnamese man explain the french imperialism in indochina in 1867

The Vietnamese man explains the French imperialism in Indochina describing how the French attacked Indochina with their powerful weapons of war which caused discord. He explains that they are weak against the French because the Indochina commanders and soldiers have been conquered. He describes how the French have immense warships, filled with soldiers and armed with huge cannons concluding that no one can resist them. He notes that the French go where they want, as the strongest ramparts fall before them.

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well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )