简述美国大都市区的政治结构，帮帮忙啦，谢谢！

简述美国大都市区的政治结构，帮帮忙啦，谢谢！

With the advent of economic globalization, the rise of private enterprises mushroomed, and the rapid development of China's economic development has become a major attraction. Growing private enterprises are also more involved in their mergers and acquisitions in the past, but the acquisition of private enterprises is one of the few successful for many reasons: lack of M & A pre-feasibility study, the lack of scientific proof and reasonable financial planning, human resource integration, cultural integration is not successful, the management after the failure of mergers and acquisitions. One reason is that private enterprise human resources integration in M & A problems, this paper on mergers and acquisitions in the private enterprises pay less attention to integration of human resources, staff turnover, cultural integration is not successful, the lack of communication, and effective incentive measures and crisis management mechanisms analysis and propose countermeasures.