"In" is a preposition.
·In their exploration
·in their sacrifice
"Of" is a preposition.
·of the world
"To" is a preposition.
·to feel as one
Tell me if you think I missed any.
Answer:
Hopefully this helps
Explanation:
People like to go to different places and explore they typically like to learn about the culture some places have different beliefs and some places have different food, clothes, languages and so on people are just interested the reason they would want to be there for a year is to see if they could grow accustomed to the new environment.