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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Watt aided the Industrial Revolution even more when he discovered a way to make a steam engine turn in circles. This made it possible to use steam engines for purposes other than pumping water out of coal mines. As a result, Watt aided the Industrial Revolution by making steam power far more useful for driving machinery.
In clearer terms, James Watt aided the Industrial Revolution by improving the Newcomen steam engine, resulting in a new, more efficient engine.
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Answer:
D is the correct option.
Explanation:
Dwight Eisenhower served as the Supreme Allied Commander in Europe. The term supreme allied commander originated during the first world war. The first supreme allied commander was Ferdinand Foch, who commanded French, British and Italian forces during world war one. During the second world war, the allies appointed supreme allied commanders for their multi-nation armies. Full operational control to Land, Air, and Sea units was given to them. Eisenhower served as the Supreme Allied Commander for the Mediterranean theatre. Later he held the same post for NATO forces.
Answer is C
The issue with the US and USSR was the stockpile of nuclear weapons.
They agreed to remove them from Cuba
