During the depression, the rate of interest reduction, the expansion of money supply, stimulate economic development. During the expansion period, the interest rate increases, the money supply is reduced, and the economic development is suppressed. So, interest rates have a big impact on our lives. Interest rates are an important tool for regulating monetary policy, and they are also used to control economic growth, such as investment, inflation and unemployment. Reasonable interest rate plays an important role in the economic leverage of social credit and interest rate. ^ h h, however, interest rates are still significantly lower than in November 2015, when an average of 2.62 PC. Mr Trump and the republicans' plan to repeal the 2010 "affordable care act" will bring 24 million americans - most of them poor or middle class, many of whom vote for him - without health care. His deregulation policy was a blatant bigotry of workers and unions. And the republican tax reform plan he endorses will overwhelmingly support multinational corporations and the top 1 percent of families, many of whom are particularly benefiting from the repeal of the estate tax. China giant core technology benefits electronic material localization