Answer:
The Second Crusade was announced by Pope Eugene III, and was the first of the crusades to be led by European kings, namely Louis VII of France and Conrad III of Germany, with help from a number of other European nobles.
Explanation:
Pope Eugene lll , European kings, namely Louis VII of France and Conrad III of Germany, other European nobles
When the state often ignores the agreements laid by the central government this leads to the weakening of the central government as other countries doubted the integrity and strength of the central government.
The Articles of Confederation was a kind of agreement which was between 13 U.S. states and this agreement served as the first frame of the government in the United States of America. This agreement got its approval after a lot of debate that took place in congress. The articles which were proposed in the agreement created havoc as it weakened the central government and there was a strong confederation of the sovereign states. Due to this article, there became a need for a stronger Federal government. The articles failed due to many reasons. The primary one was that each state had only one vote in congress irrespective of its size.
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Because the twentieth century's events demonstrated communism to be a catastrophic failure, twentieth century philosophy rejected the value of history.
<h3>Why was the 20th century such an important era in world history?</h3>
The Spanish flu pandemic, World Wars I and II, nuclear weapons, nuclear power, and space exploration, nationalism and decolonization, scientific achievements, and the Cold War and post-Cold War conflicts dominated the 20th century and contributed to the formation of the modern era.
The First World War and the start of the Second World War in 1914 and 1939, respectively, are examples of the twentieth century's severe brutality.
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