In regards to this question, there are no options given. I hope you are looking for whether the statement in the question is true or false. It would be totally false to say that in recent years, the controversy surrounding environmental issues has decreased. The controversy has increased not only in third world countries, but also in developed countries as well.
The answer should be A: to outlaw monopolies.
If the movie is perhaps a documentary, then it is telling you factual information of actual events (includes pictures or pictures of actual documents or events); this makes it a primary source.
If the movie is based off of real events, has factual information, but also has added information to create a well-rounded plot, this makes it a secondary source.
Make transportation easier
Hope this helps :)