(A) ** once a year
(B) 3 times a year
(C) once a month
(D) once every week
EXPLANATIONS BELOW
Concept note-1: -The Assembly met at least once a year in ordinary session, normally in September. If necessary, it could meet at any moment at the request of one or more members if approved by the majority of Member States.
Concept note-2: -The Assembly worked like an international parliament. It met once a year, and every member country could send people to represent their nations. When did the League of Nations’ Assembly meet? The Assembly met on the first Monday of September, to communicate and vote on important issues.
Concept note-3: -The Assembly was the main body of the League of Nations, it was the meeting place of all members. Each country which was a member sent someone to represent them at the assembly. The Assembly couldn’t enforce actions, but could recommend them to the Council of the League of Nations.
Concept note-4: -The Assembly makes recommendations to States on international issues within its competence. It has also taken actions across all pillars of the United Nations, including with regard to political, economic, humanitarian, social and legal matters.