Original sentence: <sup>3.Critics maintain that the increase in Cuban literacy was more part of a regional trend (where other countries experimented a higher increase from a lower starting point, reaching a similar level to Cuba today) than a comprehensive government strategy.His leadership has been marked by the implementation of programs that disputedly1 increased the nation's literacy rate and provided universal healthcare, tensions with the United States that peaked in the Cuban Missile Crisis of 1962, and a close partnership with the Soviet Union.Whereas Cuba today is one of the countries in the Americas with the highest literacy rate, it has been disputed that Cuban literacy was comparatively very high in pre-Castro times
Edited sentence: <sup>2.His leadership has been marked by the implementation of programs that greatly increased the nation's literacy rate and provided universal healthcare, tensions with the United States that peaked in the Cuban Missile Crisis of 1962, and a close partnership with the Soviet Union