The answer is true. because if the government allow trades to take place people would be able to exchange goods from countries to countries.
Earnings on an IRA grow until C. you take the money out.
An IRA will continue to earn interest and gain value until your money is taken out of the account. Once the money is taken out, the interest will stop being earned. An IRA is a good savings plan to invest your money into for potential gain. There are low and high risks with investments but IRA's are pretty easy to navigate for first time investors.
The most difficult to construct.