Final answer:
The planning and conduct of information activities are affected by the need to align messages with stakeholders and the competition with adversaries. However, the Joint Force does not operate alone in this environment; coordination with other entities is essential.
Step-by-step explanation:
Actions in the information environment affect how to plan and conduct information activities in pursuit of mission accomplishment for several reasons. Firstly, it involves the alignment of themes and messages with interagency organizations and stakeholders, allowing for a consistent and unified presentation of information. Secondly, communication activities are in constant competition with potential adversaries and strategic competitors, necessitating a strategic approach to information dissemination and message framing.
However, the statement that "the Joint Force operates alone in the information environment" is incorrect and is the exception among the given reasons. In reality, operations in the information environment often involve coordination with allies, partners, and other agencies to achieve comprehensive results and to outmaneuver opposing narratives.