Original sentence: Juan Manuel de Rosas (born Juan Manuel José Domingo Ortiz de Rozas y López de Osornio; March 30, 1793 – March 14, 1877), was an Argentine military officer and politician, who was elected governor of the province of Buenos Aires in 1829 to 1835, and then of  the Argentine Confederation from 1835 until 1852, ruling the country as Dictator
Edited sentence: Juan Manuel de Rosas (born Juan Manuel José Domingo Ortiz de Rozas y López de Osornio; March 30, 1793 – March 14, 1877), was an Argentine military officer and demagogue, who was elected governor of the province of Buenos Aires in 1829 to 1835, and then of  the Argentine Confederation from 1835 until 1852, ruling the country as Dictator