The country that faced a unity crisis due to having a large variety of ethnic groups was D.)Austria-Hungary.
<h3>Which groups were in Austria-Hungary?</h3>
Austria-Hungary was an empire that comprised of several ethnic groups including Serbs, Bosnians, Croats, Hungarians, and Austrians.
These groups wanted independence for themselves and this led to a lot of strife in the empire.
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I think it's because slavery costs less...just a guess.
Answer would be the indulgences. they were used as "get out of jail free" cards when it came to sinning, this lead to the lutheran reform later down the road.
Hope this helps, please mark brainliest!!
Answer: December 25, 1991. It ceased to exist 12/31/91
Explanation:
The foreign policy model that features two countries that are in conflict with each other is what is known as a bipolar structure of international power.
A bipolar structure of international power can be described as a structure whereby the two countries that are involved have a lot of economic, political, cultural and international influence.
Due to the influence that both sides have they are able to control their regions and also other international regions.
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