I think the answer is A, political.
I tried to answer your question but it didnt let me so im going to try to comment i
Answer:
When the French arrived, they helped build the Vietnamese empire which was headed by a prince. The empire successfully built, To return the favour, the French missionaries were allowed to spread Christianity in Indochina. They were also regarded as the advisers of the local dynasty.
Explanation:
I know that some things that are in the naturalization process are:
Knowledge of the presidents, Knowledge of basic math/reading and writing.
