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Answer:
A highway is a main road, especially one that connects towns or cities.
famous highways are Pan American Highway,Great River Road.
Blue Ridge Parkway. etc
The answer to the first unknown in the problem is the "EGO" while in the second unknown in the problem is referring to "face-to-face discussions with". In modern psychoanalyst differ from the traditional Freudian psychoanalysis in such a way that they focus on the EGO as a motivating force of behavior and they favor face-to-face discussions with their patients.
Checks and balances are counterbalancing influences by which an organization or system is regulated, typically those ensuring that political power is not concentrated in the hands of individuals or groups. The delegates made this apart of the U.S constitution so that 1 branch could not over power the other 2.