Why was the Tenth Amendment added to the Bill of Rights? O to make sure individuals have more rights than governments
O to address fears that states could lose rights to the federal government
to list all the rights that belong to the states and to the people
O to protect people from state and local governments
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What were the main features of the aristotelian-ptolemaic model of the cosmos

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?