It would be A. Adding machine it was invented in 1642.
Answer:
Operational communication.
Explanation:
This is Operational Communication. The phenomenon is simply described as the capacity in ensuring timely communication of security, situational awareness, and operations by any means among and between affected communities in the impact areas and all response forces.
Operational communication is one of the tools an organization or civic societies uses to pursue its organizational or civic objective.
By ensuring timely, seamless and apt exchange of communication and ideas to other stakeholders, communities can evenly develop and share in the achievement of civic goals and objectives. Today, the concept is becoming increasingly relevant in developmental circles.
Most countries dont need "justification" for joining a war, typically the only justification is a decision backing up allies, and under this definition, the US was justified, Japan had also initiated aggression againts the US, giving the US an incentive to join the war, so yes, its likely that they were justified in joining the war, for several reasons
