I would go with True because any historian needs a lot of patience to get what they want or to learn about something etc..
The USSA is an example of a single interest group.
Back then , the city was shocked by smallpox epidemic. Since smallpox is easily transmitted by contact, overcrowded areas are the perfect breeding spot for smallpox ( they still has not developed small pox vaccine back then)
A: Spain, Portugal, Italy, Germany, Great Britain, Holland, Belgium and France.
B: The action is that they are all tugging on Africa.
C: The cartoonist is trying to make the point that all of these countries are fighting to control Africa.
-TTL