<span>The correct answer for 1 is perform military services. Vassals would have to fight wars for you and help you when it came to defending from others. The answer for 2 is It strengthened the idea that a monarch's power was limited, not absolute. They did it by giving more freedoms to the nobles who could now avoid being prosecuted if they disobeyed the king. The correct answer for 3 is Holy Roman Empire. Frederick I Barbarossa was the first Holy Roman Empire. It wasn't the entire Italy but rather the northern parts of it.</span>
The correct answer is Michael Faraday. Specifically, he invented the electric dynamo, which was later developed further into the power generators we know today.
The correct answer is Formation of the British East India Company, the Sepoy rebellion, complete British colonization of India, formation of the Indian National Congress
The British east India company was a trading company that managed to colonize India through trade domination. When the Sepoy rebellion arose because of that, Britain resolved that issue and introduced the British Raj which meant that it was under British rule now, not under the rule of the company. This resulted in the creation of the National Congress which was the first nationalist party that fought for Indian independence.
The direct cause of WWI was the assassination of Archduke Franz Ferdinand at Sarajevo on 28 June 1914. However historians feel that a number of factors contributed to the rivalry between the Great powers that allowed war on such a wide-scale to break out.
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All I know is the 3rd question of part 2 which is The union won and abolished slavery.
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