Manjiro's natural curiosity as a natural philosopher had been developed which develop realization that show he has begin to understand the new individuals around, be less afraid,expect the unexpected and not be so harshly judgmental of new experiences
Explanation: The sentence is addressing car buyers having something, in this instance a choice. When the subject is possessive, you use their. Such as, the car buyers ate <em>their</em> lunch.
No, almost everyone hated it. The Vietnam war was probably one of the most hated wars in the eyes of American civilians. It is what started to Hippy generation.