Answer:
22,000 years
Explanation:
rule.of thumb is add 2000 years. for example 2000 BC is 4000 years
A great deal of the <span>changes and conflicts that took place in Great Britain, France, The Austrian Empire, and Russia during the nineteenth century had to do with the Industrial Revolution, since this led to new weapons and machinery that greatly and quickly modernized warfare in Europe. </span>
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Remote-sensing techniques have unearthed clues to the fate of settlers who mysteriously disappeared. Roanoke Colony was found abandoned without a trace of the colonists—but some researchers might have uncovered some clues.
