How did Pope Gregory reform the Catholic church?

Canonical elections were introduced under Pope Gregory VII's rule and were effective in making sure bishops and priests did not appoint their successors and the practice of lay investiture was removed. The reform of the Church was Gregory VII's life work, driven by his conviction that the Church was founded by God.

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barrio is a spanish word meaning neighborhood. in spain, several latin american countries and the philippines, the term is also used officially to denote a division of a municipality while a ghetto is a part of a city in which members of a minority group live, typically as a result of social, legal, or economic pressure. the term may have originally been used in venice to describe the part of the city to which jews were restricted and segregated.