The majority of problems Best Buy was facing have been brought about by force.

External forces

Explanation:

Best buy is an electronics retailer that aspires to improve customer's lives through technology. They have over 175+ store locations.

However they have been facing challenges in the market with other playera like Circuit City, CompUSA and RadioShack not surviving.

The challenges faced by Best Buy is mostly as a result of external forces in the form of competition with Walmart and Amazon. Resulting in the loss of their share value.

Walmart and Amazon have been able to capture a large part of the electronics market.

Other problems like leadership scandals and inefficient processes also contributed to their problems.

answer; work samples;

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;