Cape Verde when Portuguese explorers discovered and colonized the islands, establishing the first European settlement in the tropics. Ideally located for the Atlantic slave trade, the islands grew prosperous throughout the 16th and 17th centuries, attracting merchants, privateers, and pirates. The end of slavery in the 19th century led to economic decline and emigration. Cape Verde gradually recovered as an important commercial center and stopover for shipping routes. Incorporated as an overseas department of Portugal in 1951, the islands continued to campaign for independence, which was peacefully achieved in 1975. Since the early 1990s, Cape Verde has been a stable representative democracy,
Santiago, Cape Verde 19th century resulted in an economic crisis, and the growing port of Mindelo on São Vicente replaced Praia as the most important port. With few natural resources and inadequate sustainable investment from the Portuguese, the citizens grew increasingly discontented with the colonial masters, who nevertheless refused to provide the local authorities with more autonomy. The island population were disadvantaged by the Portuguese colonial system and supported Amílcar Cabral and the African Party for the Independence of Guinea and Cape Verde and the independence of 1975. Santiago is the largest island of Cape Verde, with an area of . It is