Well, often when explorers explored the world, they had a goal. Whether a goal was to spread a religion or conquest a place, there was always a goal. When the explorers for example tried to conquer a place, casualties often occurred. Which effected the amount of people in the population. Another example is when explorers were trying to spread a religion, the population changed.
Welcome:)
Economics focuses more on interactions/marketing/ those type of focus
Maybe you should try contacting his/her parents and seeing whats going on or unfortunatly he could've broke up with you without actually telling you he broke up with you.
The correct answer is letter C
Explanation: In this case it is extremely normal for him to feel that way about his recent trauma, and the most appropriate thing is to seek help so that this trauma can be treated in a way that can be resolved. Regardless of the profession, all people suffer psychologically, so when this happens, the most recommended thing is to look for a qualified professional for this, so that they can help you.