In the era of great navigation, the establishment of the colony made Portugal occupy Brazil, and Portuguese became the language of Brazil with the infiltration and demand of culture. Portugal's discovery in the field of navigation has made many European countries jealous. ? 1492, Portugal's neighboring country, Spain, vigorously developed the shipping industry after reunification. Quickly occupy a place in the field of navigation? , launched a protracted sailing competition with Portugal at sea. Most Brazilians are descendants of Portuguese colonists or Portuguese.

Portuguese is the official language of the Brazilian colonies. In Brazil at that time, Portuguese colonists held the greatest social resources, so their language became a "strong language". If other ethnic groups want to survive in society, the only way is to learn Portuguese, and finally make Portuguese the official language of Brazil. The Portuguese paid more attention to this colony of Brazil than other colonies.

The importance and politics of Brazil in Portugal. /kloc-At the beginning of the 9th century, the French Empire rose and Napoleon occupied Portugal. With the help of the British, the Queen of Portugal moved the entire Portuguese royal family to Rio de Janeiro. It was not until the French were driven out of Portugal that the Portuguese royal family moved back to Lisbon (but that was 13 years later). Therefore, Brazil is a safe haven for the Portuguese.

At that time, both countries were fanatical Christian countries. Therefore, on the issue of colonization, the Pope, as the spiritual leader of Christianity, can act as an arbitrator and coordinate the ownership of territories not occupied by Christian countries. Even so, the line drawn this time failed to calm the dispute between Spain and Portugal. Portugal immediately crossed the area demarcated by papal meridian and occupied almost the whole of Brazil.