The correct answer is A. the idea of representative government in which people elect officials to speak for them
The Romans established a republic when a government elects representatives to rule on their behalf.
The economic development of the mid-atlantic, new england, and southern colonies differed mainly because of climate (the north colonies were much more cold than the southern, which limited the amount and the types of plants they can grow), soil (northern soil was not as fertile as southern), resources found (there were greater amounts of fishes in the north then south, and so the Northern colonists built up a "fish economy" instead of farming.)
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Scientist Louis Pasteur came up with the food preparing process known as pasteurization. He also developed a vaccination for anthrax and rabies.
400 BCE according to Buddhist tradition