He made the treaty of Moscow.
“First stage” will be the answer you are looking for hope this helps
The United States gained control of the former Spanish colonies by going
to war with Spain over Cuba, or more specifically, Cuba's independence.
Together with the filipino rebels, America won against Spain and gained
control of multiple colonies including puerto rico, guam and the
phillipines.
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.