Answer: Flank
Step-by-step explanation:
Flank defense is one of the type of marketing strategy attack which is basically adopted by the challenger organization. By using this strategy they always attack on the weakest point of the other marketing organization for the purpose of competition in the market.
Hence, the manager of the organization planned a lots of strategy to protect their firm from the flank attack. The flank defense also plays an important role for changing the current ranking position of an organization in the market.
Therefore, Flank defense is the correct answer.