Part A: List the three reasons the external environment is important to executiv

Part A: List the three reasons the external environment is important to executives. Next, explain in detail an external situation in the external environment that has impacted an organization.  Indicate the organization and the situation they encountered.  
Part B: Using PESTEL analysis, pick an organization and discuss how two of the six segments of the general environment have influenced that organization. BE SPECIFIC!!
Please remember to cite your sources in APA format.