in what ways did the alliance system, implemented to maintain a peaceful balance of power in Europe, in fact have the opposite effec?

Answer 1

Are you asking about the early 20th century?

Answer 2

yes Ms. Sue

Answer 3

The short answer is that the alliance system intensified each country's self interests and led to a division of Europe. Those united in alliances were obligated to support their allies.

For more information, check these sites.

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http://www.firstworldwar.com/origins/causes.htm