What would have happened if women hadn't gotten the right to vote?, What would have happened if the Spaniards hadn't conquered America?, What would have happened if Christopher Columbus hadn't reached the Americas?, What would have happened if the Titanic hadn't sunk?, What would have happened if World War I hadn't started?, What would have happened if World War II hadn't ended in 1945?, What would have happened if the Berlin Wall hadn't fallen?, What would have happened if the Roman Empire hadn't collapsed?, What would have happened if the Industrial Revolution hadn't taken place?, What would have happened if the French Revolution hadn't happened?, What would have happened if the American Revolution hadn't succeeded?, What would have happened if Abraham Lincoln hadn't been assassinated?, What would have happened if Martin Luther King Jr. hadn't been assassinated?, What would have happened if Nelson Mandela hadn't become the president of South Africa?, What would have happened if Mahatma Gandhi hadn't led India's independence movement?, What would have happened if the printing press hadn't been invented?, What would have happened if electricity hadn't been discovered?, What would have happened if the telephone hadn't been invented?, What would have happened if the airplane hadn't been invented?, What would have happened if humans hadn't landed on the Moon?, What would have happened if the Internet hadn't been created?, What would have happened if penicillin hadn't been discovered?, What would have happened if the COVID-19 pandemic hadn't happened?, What would have happened if dinosaurs hadn't become extinct?, What would have happened if the Black Death hadn't spread across Europe?, What would have happened if the United Nations hadn't been established?, What would have happened if slavery hadn't been abolished?, What would have happened if the Mexican Revolution hadn't taken place?, What would have happened if the Great Fire of London hadn't happened?, What would have happened if the first computer hadn't been invented?

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