12. the process by which the federal reserve controls the supply, availability, and cost of money in order to keep the economy stable is

The correct answer is: "the monetary policy"

The monetary policy is the mechanism through which a central bank, such as the US Federal Reserve, is able to indirectly influence the economic output and its growth trends, by changing the amount of money in circulation in the economy, the so-called money supply.

The are several instruments that the monetary authorities can use to modify the money supply levels: changing the interest rate, modifying the mandatory coefficient of reserves of the banking system, purchasing or selling public debt, etc.

to oppose fdr’s new deal

explanation:

the american liberty league. the american liberty league was a nonpartisan organization formed in 1934 in opposition to the new deal. the organization's stated goal was “to defend the constitution and defend the rights and liberties guaranteed by that constitution.”

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.