What type of jobs increased between 1940 and 1955?

I think it white-collored is the most reasonable, as the other person said :)

Please mark both of us brainliest if this helped

Explanation:

answer: they hired westerners to train the army, and sent students to study abroad.

thailand was never colonized, they had a good relationship with china and was not involved with them directly, and because of that they could prosper. they were not involved with other countries, only with the colonies. so that, they could focus.