Step 1 — About Amnesty International:
Amnesty International is a non-governmental organisation founded in 1961 in London. It works globally as an independent movement to protect individuals wherever justice, fairness, freedom, and truth are denied.
Step 2 — Core area of work:
The organisation is primarily associated with the protection of human rights. It investigates and exposes human rights violations, campaigns for the release of political prisoners, fights against torture, the death penalty, discrimination, and works for freedom of expression and fair trials.
Step 3 — Activities and impact:
Amnesty International mobilises public opinion, conducts research, and pressures governments and institutions to comply with international human rights standards. It has more than seven million members and supporters worldwide and was awarded the Nobel Peace Prize in 1977 for its significant contribution to human rights protection.
Step 4 — Conclude:
Therefore, Amnesty International is an organisation associated with the field of protection of human rights.
Answer: The correct option is (B) : Protection of human rights.