USA HISTORY

Detailed explanation-1: -In the year 1507 AD, the Portuguese sailors landing on the shores of the island of Mauritius discovered a strange looking bird. It was large and stubby, and could not fly.

Detailed explanation-2: -The Portuguese were the first to arrive. By 1471, under the patronage of Prince Henry the Navigator, they had reached the area that was to become known as the Gold Coast because Europeans knew the area as the source of gold that reached Muslim North Africa by way of trade routes across the Sahara.

Detailed explanation-3: -The Portuguese were able successfully to navigate the open sea because of the compass, the astrolabe, and the caravel. Under the sponsorship of Prince Henry the Navigator, the Portuguese explored the coast of Africa and later established trading posts up and down the coast of West Africa.

Detailed explanation-4: -1471-João de Santarém and Pedro Escobar crossed the Equator. The southern hemisphere was discovered and the sailors began to be guided by a new constellation, the Southern Cross. The discovery of the islands of São Tomé and Príncipe is also attributed to these same sailors.