Fake anwsers will be reported What role did the country of Portugal play during the Age of Exploration? Why was it important during that time period?

Portugal had a substantial role during the age of exploration, due to the sucess of Cristovão Colombo, the explorer that could managed to create one of the most lucrative trade routes by that time, linking Europe to Asia, and also discovered one of the richest deposit of gold in the age of exploration, the Brazilian islands of Fernando de Noronha, that is known for its beauty and natural resources such as gold, silver and Pau Brasil, a tree used to make red pigment for cloths that only the noble class had access by that time

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

can you attach the graph and answer options (: