Final answer:
The given statement is true.
Step-by-step explanation:
The statement that Vatican II was revolutionary because of the focus on changing church doctrine to better reflect the changes that occurred in the modernization of the world is true.
Vatican II, also known as the Second Vatican Council, took place from 1962 to 1965 and was a significant event in the history of the Catholic Church. It aimed to address various issues and reforms within the Church, including its relations with the modern world.
During Vatican II, many changes were made to church doctrine and practices to better engage with the contemporary society. For example, it introduced the use of vernacular languages in the liturgy instead of Latin, encouraged interfaith dialogue, and promoted ecumenism.