The first two countries to begin fighting in the conflict that later became known as World War I were
AAustria-Hungary and Serbia.
BBelgium and Germany.
CFrance and Italy.
DRussia and Poland.
EAustria-Hungary and Germany.
AAustria-Hungary and Serbia.
BBelgium and Germany.
CFrance and Italy.
DRussia and Poland.
EAustria-Hungary and Germany.