Concept:The Secretary-General of the League of Nations was its chief administrative officer, and only three individuals held that office.
Explanation:The League of Nations had three Secretaries-General.
Sir Eric Drummond served from
1920 to
1933.
Joseph Avenol served from
1933 to
1940.
Seán Lester served from
1940 to
1946.
Josip Broz Tito was not among these leaders.
He was a Yugoslav communist revolutionary and statesman who led Yugoslavia from
1943 until his death in
1980.
Therefore, Tito did not serve as Secretary-General of the League of Nations.
Answer:Josip Broz Tito (Option A).