Park said in a speech before parliament that the current system makes it difficult for the government to maintain a continuity of its policies, including those dealing with rival North Korea, which regularly threatens nuclear war against its southern rival. Park's proposal came as her approval ratings have dropped to new lows amid allegations that a purported longtime confidant used her connection to Park to push companies to make massive contributions to set up two non-profit foundations. There are camps that favor a parliamentary Cabinet system or a U.S.-style system in which a president can have a second four-year term, or a system in which a president and a prime minister split key state responsibilities.