Multiple choice

Because Austria-Hungary blamed Serbia for the assassination of Archduke Franz Ferdinand,

  1. they stopped all trade with that country.

  2. they sent assassins to kill their leader.

  3. Austria-Hungary sent Serbia a list of demands that had to be met.

  4. they immediately declared war on Serbia.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Following the assassination of Archduke Franz Ferdinand, Austria-Hungary issued a harsh ultimatum to Serbia, containing demands intended to be unacceptable to ensure a pretext for war.