Answer: In a general sense, World War I and World War II were wars conducted on a massive scale unlike any other wars in history. They were similarly caused by nationalism, imperialism, alliances, and militarism. Both wars saw countries trying to upset the power balance in Europe for their own gain.
Explanation:
Ruled by strength and cultivated mystique and loyalty from their<span> subjects. ... Additionally, some </span>monarchs retain<span> reserve powers, such as to dismiss </span>a<span> prime minister, refuse to dissolve parliament, or withhold Royal Assent to legislation</span>
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B, the population increased