What have been the major turning points in the pre-human phases of big history?

Big history is a theory that relate everything in history with the idea that complexity increased in the universe, due to particular factors that add complexity. Major turning point in the pre-human phases of big history are the creation of the first stars, the formation of the solar system and the earth, the formation of first forms of life on the earth.

it was bribing i think i might be wrong though

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.