How does internal and external environment effect adidas marketing

I want my assignment to be about adidas marketing and to answer the following question
1what is internal environment of business? ( definition )
2-how does internal environment effect business
3how does internal environment effect adidas marketing?
4what is external environment of business? ( definition )
5how does external environment effect business?
6how external environment effect adidas marketing
7details about adidas company
8-examples of the impact on any business
7examples of the impact on adidas business
8use 4 books and 2 internet web
8from 2000 words use 500 words to write bibliography about the sources you used for assignment