Question

The first two countries to begin fighting in the conflict that later became known as World War I were
A) Austria-Hungary and Serbia.
B) Belgium and Germany.
C) France and Italy.
D) Russia and Poland.
E) Austria-Hungary and Germany.

Answer 1

A)    Austria-Hungary and Serbia. It had begun when Austria-Hungary invaded Serbia.  There was confusion on among the Central Powers as Austria-Hungary fought two fronts in Serbia and Russia.  Germany was supposed to support them but instead fought with the French.