Economists point out that any economically efficient country can create wealth. Such a country can maintain political stability only when the wealth is evenly distributed, and the average wealth distribution will eliminate the risk, which is an essential prerequisite for economic operation. Which of the following conclusions is correct? ? ['No country can maintain both political stability and huge wealth indefinitely.', 'No country can maintain both economic efficiency and political stability indefinitely.', 'Increased economic efficiency stimulates the emergence of risks, which in turn promotes economic efficiency.', 'As long as countries that can evenly distribute wealth can maintain political stability indefinitely.']