Agreed. Manipulation in statistics. That happens more than we know. That is why we cross reference to figure out better perspective on history and histories. They say history was and is written by the winners. However, losers write too. Please don't think that there is only one version of history. There are different things being written even by the same person at times. We change our point of view as we get older.
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The earth sometimes get hotter. During the past century, we have been getting colder. Ice is extending up from the South Pole to South America. That is one example. Many things are happening. People also disagree about how old the earth is. http://AnswersInGenesis.org