Why do countries form alliances?


Why do countries form alliances?

Allied Powers:

There have been many famous instances of alliances in history. Perhaps the most infamous were the military alliances that existed prior to the First World War, which triggered all participants to enter the fighting.


  • During World War II there were two main alliances. The Axis powers included Italy, Japan, and Germany. The major countries that opposed them were The Allies: the Soviet Union, the United States and the British Empire. However, it was Poland, France, and the United Kingdom, also members, which started the alliance.
  • After 9/11 France refused to form an alliance with the United States to take military action against Iraq. A knee-jerk response from President Bush was to compel Denny's chain of restaurants to change the name of their French fries to freedom fries. This prompted undisguised hilarity outside of the US.
  • During the French and Indian War that lasted from 1754 to 1763, the French forces allied with the Native Americans against Britain. The alliance was solely based on interest, as the French were trying to acquire more land and defeat the British in the process.

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Countries form alliances for a variety of reasons but primarily for military cooperation, mutual protection, and deterrence against foes. Military...

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Cooperation Among States: Political, Military & Economic Alliances


Chapter 11 / Lesson 5

Cooperation among states is formed as governments of different nations agree to work together towards a common goal. Learn more about cooperation among states in terms of political, military, and economic factions, as well as NAFTA and the European Union.

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