(A) France and Germany
(B) ** Greece and Italy
(C) Finland and Sweden
(D) Poland and Lithuania
EXPLANATIONS BELOW
Concept note-1: -The Corfu Incident was a 1923 diplomatic and military crisis between Greece and Italy. It was triggered when an Italian general heading a commission to resolve a border dispute between Albania and Greece was murdered in Greek territory along with members of his staff.
Concept note-2: -Corfu incident, (1923) brief occupation of the Greek island of Corfu by Italian forces. In August 1923 Italians forming part of an international boundary delegation were murdered on Greek soil, leading Benito Mussolini to order a naval bombardment of Corfu.
Concept note-3: -The dispute over the Greek island of Corfu in 1923, between Italy and Greece, was one of the most important disputes of the 1920s. Where is Corfu? Corfu is an island in the Mediterranean Sea and part of Greece.
Concept note-4: -Corfu (/kɔːrˈf(j)uː/ kor-FEW, -FOO, US also /ˈkɔːrf(j)uː/ KOR-few, -foo) or Kerkyra (Greek: , romanized: Kérkyra, pronounced [ˈcercira] ( listen)) is a Greek island in the Ionian Sea, of the Ionian Islands, and, including its small satellite islands, forms the margin of the northwestern frontier of Greece.
Concept note-5: -The Corfu Incident was seen as a serious failure for the League. It showed that powerful nations could still bully a less powerful neighbor (Greece was a small, weak country with no powerful friends on the Council).