What event was the spark that ignited world war i? the assassination of archduke ferdinand the assassination of tsar nicholas ii the rise of mutual defense alliances the capitulation of the serbian nationalists

(1) is the correct answer.

Explanation:

The archduke was in Sarajevo in June 1914 to inspect the armed forces in Bosnia and Herzegovina. Bosnia and Herzegovina were annexed by Austria-Hungry in 1908. The Serbians hated this annexation because they believed that Bosnia- Herzegovina was a part of Serbia. The archduke was killed by the Serbian nationalists. This assassination led to a chain of events that culminated in the first world war. Austria-Hungry declared war on Serbia on 28th July. Russia entered the war in support of Serbia and Germany in support of Austria-Hungary.

the answer is 1.. i think

c, because the american revolution was from 1765 to 1783.