The answer is letter A. "<span>An air battle above the English Channel to prepare for an invasion of Britain"</span> It was an aerial battle as the Germans sent their air force to drop bombs on Britain. Many civilians lost their lives and various buildings were destroyed but thanks to the leadership of British Prime Minister Winston Churchill, the British people withstood the bombardment and the Royal Air Force fought back with U.S. support preventing Germany from conquering Britain.
Adolf Hitler lead the Holocaust so the answer would be the same for both questions. The answer to those is between five and six million Jews died during the Holocaust. It is impossible to know how many Jews died exactly though.
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Well it would be European explore such as people from Spain, France, Britain and places like that. There was also Christopher Columbus who was one of the reason for the native Americans being discovered and dying. However there was also Leif Eriksson Who was a Norse explorer that was believed to have led the first European expedition to North America 500 years before Christophers birth.
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