Aconflict where there is hope for a peaceful resolution but troops are mobilizing for action in history

Explanation:

In the world war one, Britain had hoped to solve the difference between Serbia and Austria, but in July 1914, no one even Britain has taken a public position in this possible war.

With the assassination of the Archduke Ferdinand in Sarajevo was the detonating in July crisis, Germany started a mobilization, Britain didn't have a position yet, while Germany and France pushed them.

punish germany and keep it weak,