Answer:
D.
Explanation:
Externality
This is a result of industrial or commercial activity which affects other parties without this being reflected in market prices. It is used to refer to the cost or benefit received by a third party. In a externality situation, the third party has no control over the creation of the cost or benefits.
Roads maintained with tax on gasoline has no externality. This is because the tax is imposed on the road users through tax. There is no third party benefiting or incurring cost from the maintenance of of road with tax on gasoline.
Apart from the other options which are good examples of externality, a common one used to explain the term is a person smoking cigarette, which can create passive smoking for those around.
The correct answer is alternative C.
The United States Constitution expressly forbids the government to pass <em>ex post facto</em> laws, which are laws that can change the legal consequences of actions in the past. In some countries <em>ex post facto</em> laws are acceptable in some situations, but in the U.S. this is such an unacceptable thing that it seemed obvious and unnecessary to include in the Constitution.
The Medici Family Ruled the City of Florence throughout the Renaissance.
All state governments are modeled after the federal government and consist of three branches: executive, legislative, and judicial. The U.S. Constitution mandates that all states uphold a "republican form" of government, although the three-branch structure is not required.
