The correct answer is letter C.
The law of demand says that, as a rule, price and quantity required in a given market are inversely related.
In other words, the higher the price of a product, the less people are willing or can include (everything else unchanged).
When the price of a welfare, overall purchasing power decreases (income effect) and waste changes to cheaper goods (substitution effect).
Other factors may also affect demand.
Concurrent powers are powers that are shared by both the State and the federal government. These powers may be exercised simultaneously within the same territory and in relation to the same body of citizens. These concurrent powers including regulating elections, taxing, borrowing money and establishing courts.
Hope it helps :P :)
Judicial review refers to the power of checks and balances - the Supreme Court can review the constitutionality of the executive and legislative branches of the government.
