The answer is C, buying on margin.
Conflict in Greece and Turkey lead Truman to make his speech.
The two systems that are most similar are authoriatiranism and totalitarianism. Both of these systems are dictatorial, adverse to civil liberties and civil rights and involve the supremacy of the the leader over all aspects of the society
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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