Here's a breakdown of his contributions:
* Long-time advocate for disarmament: He was a prominent figure in the international peace movement, actively campaigning for arms control and disarmament throughout his life.
* Key role in drafting the League of Nations Covenant: As a member of the British delegation, he played a crucial role in drafting the Covenant, advocating for its inclusion of disarmament provisions.
* Championed nuclear disarmament: He was a vocal opponent of nuclear weapons, warning of their destructive potential and advocating for their abolition.
* Work on international cooperation: He actively participated in international organizations like the League of Nations and the United Nations, working towards fostering international cooperation.
His Nobel Prize recognition was a testament to his lifetime commitment to promoting peace through disarmament and international cooperation. He was seen as a leading figure in the peace movement and a strong advocate for a world free from the threat of war.