Respuesta :

Following the assassination of archduke Austria-Hungary declared war on Serbia.

Explanation:

  • Serbia was accused of having the idea of assassination of Crown Prince Ferdinand in Sarajevo was born in Belgrade.
  • They were also accused that weapons and ammunition were given to the assassins by Serbian officers, members of the National Defense, that the transfer to Bosnia was facilitated by the Serbian border services.
  • The declaration of war in Serbia also marked the beginning of World War I.

Learn more on World War I on

https://brainly.com/question/248914

https://brainly.com/question/473563

#learnwithBrainly

Answer:

Used the attack to justify aggressive action against Serbia.

Explanation:

Apeexx :))