Answer:
B. Strategic Alliance
Step-by-step explanation:
A strategic alliance is a formal agreement between two or more separate organizations who aim at achieving a specific goal or goals while remaining as separate organizations. It is a form of business relationship between two or more independent organizations that allows them achieves objectives and goals neither would have been able to on their own. In this scenario, the relationship between Braintree Inc and the software organization is to create sophisticated operating system and innovative mobile applications for its phones.