What is entrepreneurship, and what are entrepreneurial opportunities?

What is entrepreneurship, and what are entrepreneurial opportunities? Why are they important for all aspects of the strategic management process?
How do firms develop innovations internally?
How do firms use cooperative strategies to innovate and to have access to innovative capabilities?
How does a firm acquire other companies to increase the number of innovations it produces and improve its capability to produce innovations?
How does strategic entrepreneurship help firms create value?