Answer:
D) involves higher coordination costs due to more complex tasks of managing a globally integrated enterprise.
Step-by-step explanation:
A global strategy means that a plan that involves a number of different companies, departments and people from various cultures and nationalities having different first languages. Also, the question asks 'primary drawback'. The option A and B has no drawbacks or disadvantages in them so they can't be the answer. Having a global strategy decreases tariff issues and production costs as you have access to local production techniques and can produce locally so no need to import. Now option D focuses on 'higher coordination costs due to more complex tasks' which is true as a global strategy will require a lot of communication and information transfer. Hence, D is the correct answer.