Effective communication is important because it helps to prevent and deal with conflicts. If one person wants something, and if they don't communicate it to the others, it might lead to a situation in which the others refuse then this without knowing, which would lead to conflicts.
So, in short: communication serves to prevent and lessen conflicts.
The lobe of Hillary’s brain that is most active in this
instance is the right frontal love as she was able to remember to her recent
trip to an amusement part in which the right frontal love is responsible with
the long term memory.