Blake and Mouton’s Leadership Grid

Pick two (2) of the following leadership Theories:

Blake and Mouton’s Leadership Grid
 Fiedler’s Situational Model of Leadership
 House’s Path-Goal Theory
 Hershey and Blanchard’s Situational Leadership Theory
and 

1. Describe the main aspects/concepts of the theory in detail.
2. Give at least two positive aspects of that theory, and two negative aspects or criticisms of that theory.
3. Give an example of how that theory would impact upon the organization’s communication and leadership/management style.