The answer is d all was in it except serbia
<em>They carved questions into these bones and burned them to find out about future or current events</em>
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<span>D) Supply-side economics
</span><span>Supply-side economics is an economic theory that claims that by lowering taxes on corporations, economic growth can be most effectively created and the greater supply of services and goods will be beneficial to the consumers and employment will increase.<span>
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