Answer:
The correct answer is A
Step-by-step explanation:
Collaborative effort is the effort which is defined as something achieved or accomplished by working together with others. With this effort, a big job could be completed or accomplished in a very little time.
Therefore, an effective method or effort for gaining the global presence when the one firm or company has a core competency and the another company needs or require but unable to duplicate, it is known as the collaborative effort.