The answer is a delusion.
Robert is exhibiting delusion due to his depressive disorder. A delusion is a kind or characteristically a symptom of mental disorder which made a person having a distinctive belief or impression that is positively maintained despite being opposed by what is generally accepted as reality or logical argument just like what Robert portrays.
Explanation:

<em><u>Bitcoin is a digital currency which operates free of any central control or the oversight of banks or governments. Instead it relies on peer-to-peer software and cryptography. A public ledger records all bitcoin transactions and copies are held on servers around the world</u></em>
Well to be honest the answers out of a and c is a good choice but what I think to me is answer c
Answer:
Explanation:
The member nations of UNO can contribute by sending their national army and police to settle peace in war victim nations. Nepal also has been sending its troops as a peacekeeping force to Lebanon, Congo, Kosovo, Liberia, Haiti, Sudan, East Timor etc.... The UNMIN was established to help the peace process in Nepal.
I am not sure but if you have something involving industry versus inferiority the I think you are going in the correct direction, I think it is industry versus inferiority.:)