Answer:
Step-by-step explanation:
In the years before World War I, the nations of Europe formed two basic alliances. There was a continual jockeying for power with secret alliances, growing overseas empires (imperialism) and each nation’s own internal politics making the situation tense. An assassination in 1914 led to conflict between Austria-Hungary and Serbia, but the system of alliances meant harm to one party opened up a wider conflict. Thus, one act ultimately led to a wider European conflict.