What european power was the last to own colonies in the westren hemisphere?

European colonization of the Americas began as early as the 10th - 11th century, when West Norse sailors explored and briefly settled limited areas on the shores of present-day Canada. These Vikings were Norwegians who had settled Iceland, discovered Greenland, then sailed up the Arctic region of North America alongside Greenland, and down alongside Canada to explore and settle.According to Icelandic Sagas, violent conflicts with the indigenous population ultimately made the Norse abandon those settlements.
Extensive European colonization began in 1492, when a Spanish expedition headed by Christopher Columbus sailed west to find a new trade route to the Far East but inadvertently landed in what came to be known to Europeans as the "New World". European conquest, large-scale exploration, colonization and industrial development soon followed. Columbus' first two voyages (1492–93) reached the Bahamas and various Caribbean islands, including Hispaniola, Puerto Rico and Cuba. In 1497, sailing from Bristol on behalf of England, John Cabot landed on the North American coast, and a year later, Columbus's third voyage reached the South American coast. As the sponsor of Christopher Columbus's voyages, Spain was the first European power to settle and colonize the largest areas, from North America and the Caribbean to the southern tip of South America. Spanish cities were founded as early as 1496 with Santo Domingo in today's Dominican Republic.
Other powers such as France also founded colonies in the Americas: in eastern North America, a number of Caribbean islands, and small coastal parts of South America. Portugal colonized Brazil, tried colonizing of the coasts of present-day Canada, and settled for extended periods northwest (on the east bank) of the River Plate. The Age of Exploration was the beginning of territorial expansion for several European countries. Europe had been preoccupied with internal wars, and was slowly recovering from the loss of population caused by the bubonic plague; thus the rapid rate at which it grew in wealth and power was unforeseeable in the early 15th century.

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