Answer:
Becoming dependent on other companies for essential expertise and capabilities.
Explanation:
When a firm comes in alliance with any other firm , the sole motive behind this is to complement each other with they key competencies. They make use of each other strength to grow together.
However it has one disadvantage is that if one rely only on alliance partner for the specific expertise or resources, it creates a sense of dependencies and if the alliance get annexed in future due to some reason, it can hamper the business.
In today's world example can be vividly seen, in Corona virus crisis, any firm's alliance with Chinese companies may get hurt, as lock-down in china may interrupt major supplies from china.