Y ruling in James McCulloch’s favor in McCulloch v. Maryland, the Supreme Court agreed that Congress should not be involved in creating banks.
McCulloch could continue to pay state, not federal, taxes.
Congress had the power to create a federal bank.
McCulloch could run a state bank under federal laws.

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.

wait history, who want to talk about history, boring.

can someone just answer this

you didn't list the options. however, a few communist countries today are: the people's republic of china, north korea, and cuba.