How did alliances lead to the start of World War I? Write your response in one to two complete sentences.

he alliance system meant that countries were obliged to help other allies so if one declared war, the others had to do the same. Without the alliance system, WW1 would have been a lot smaller and probably not a world war since fewer countries would become involved.

The Alliance System played an important role in leading to the First World War. Because it divided the European powers into two rival military camps, the Triple Alliance and the Triple Entente by 1907.

Explanation:

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his

b is the answer i am assuming