Scottish physicist Robert Watson-Watt once went over the speed limit driving a car, and a traffic policeman stopped him. Having paid the fine, the professor said smiling: “Next time, I should think twice before inventing radar.” He was not lying: the first device called radar (abbreviation of words radio detection and ranging) was demonstrated by Robert Watson-Watt on February 26, 1935.
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What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?