Sao Paulo is the largest city in Brazil and one of the world's megacities. Please briefly explain its formation process.

1554 65438+1On October 25th, Jesuit missionary joséde anche eta attended a mass in the school building in Sao Paulo, aldeia de Piratininga, Pilati province. In his letter to the church, he called this place "Sao Paulo", hence the name Sao Paulo. Located on the cliff of Serra Daumal, next to Rio Tietê, it gradually became a natural entrance from the southeast coast to the west, and finally evolved into the present state of S? o Paulo. From17th century to18th century, a group of explorers calling themselves Bandeirantes crossed the Latin American continent in search of gold mines and diamonds. In their exploration and discovery, these people greatly expanded the territory of Brazil, making it extend beyond the Silurian system in Tolde until the border of Brazil today. To commemorate their contributions, many monuments have been erected, including the Pioneer Flag Bearer Monument, which is one of the landmark buildings in Sao Paulo.

Sao Paulo was formally established on 17 1 1. /kloc-During the 0/9th century, S? o Paulo achieved economic prosperity by exporting coffee from Santos Port. 188 1 year later, Sao Paulo ushered in a wave of immigrants from Italy, Japan and other countries to newly reclaimed coffee farms. At the beginning of the 20th century, the international coffee price plummeted due to various factors, and the coffee trade began to become cheap. This prompted local entrepreneurs to devote themselves to the industrial development of Sao Paulo, which brought a new batch of immigrants to Sao Paulo.