The film `An Inconvenient Truth` is directed by A! Gore and it aims to promote public awareness about a certain issue. Let`s look at the options provided:
Option 1: Terrorism
This option is not correct because `An Inconvenient Truth` is not about terrorism. The film focuses on a different issue.
Option 2: Global Warming
This option is correct. `An Inconvenient Truth` is a documentary that raises awareness about the issue of global warming. It presents scientific evidence and data to highlight the impact of human activities on the Earth`s climate.
Option 3: Nuclear Threats
This option is not correct. The film does not specifically address nuclear threats. It is primarily concerned with global warming and its implications.
Option 4: Communalism
This option is not correct. `An Inconvenient Truth` does not deal with communalism, which is the belief that a particular community or group should be exclusive or their interests should be prioritized.
In conclusion, the correct answer is option 2 - `An Inconvenient Truth` is a film directed by A! Gore to promote public awareness about global warming.