All of the following are issues of internal integration except:

A) group and team boundaries
B) language and concepts
C) mission and strategy
D) power and status

Mission and strategy are issues of external integration, as they involve aligning the organization's goals and plans with external stakeholders such as customers, suppliers, and competitors. Internal integration issues are those that relate to coordinating activities within the organization, such as group and team boundaries, language and concepts, power and status, and communication and information sharing.