B = Be specific. Do not write something like “space flights.” Such a title doesn't give the information for what exactly your text is about. ...
Catch you reader. Even if your topic is specific, people would not like to read it if it doesn't spark any interest. ...
Use keywords in your title.
Answer:
Yes, maybe compare capitals or large cities. You still want to have enough information findable, but Australia and England are both very large, and I consider it too broad.
Answer:
the answer is B. It is an adjective phrase modifying "man."
C. gathering and analysis of information