The statement that best explains the political effect is "Some countries experienced reform or installed new governments, while other countries had civil wars".
<h3>What is meant by Arab Spring?</h3>
In simple terms, Arab spring is a type of political protest that happened in the middle East notably around 2010-2011.
It should be noted that the first country the experienced peaceful power transition is Tunisia.
Learn more about the Arab Spring here:
brainly.com/question/22345729
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