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Objectives
• Explain how Portugal led the way in overseas exploration.
• Develop an understanding of how Columbus’s plan for sailing to Asia led to the New World.
Early Maps
• Very limited in detail• Created by people traveling coast lines and
drawing what they saw• Only showed 3 continents:– Asia, Europe, and Africa– Ocean Sea-Western (Atlantic) and Eastern (Pacific)
Oceans
Vikings• Reached North America in the 800s-900s– Landed in Iceland and Greenland
• Discoveries were not well known to other people in Europe
• Columbus would be the first European to “discover” the Americas again.
Portugal takes the lead
• Had no port on the Mediterranean Sea• Wanted a trade route to Asia for spices and
Africa for gold• Paid explorers to find that route
Prince Henry
• Leader of Portugal• Started a school for explorers, astronomers,
geographers, and mathematicians to work together
• Known as Henry the Navigator• Started sending ships down the coast of Africa
to trade
Portugal in Africa• West Africa was a good source of gold– Known as the Gold Coast
• Started buying slaves in the 1400s• King John II wanted sailors to find a way
around the tip of Africa to India/China
Bartholomeau Dias
• Explored the Southern tip of Africa• Ran into a storm that pushed him around the
bottom of Africa– Cape of Good Hope
Vasco da Gama• Took Dias’ route to India• Explored Eastern Africa and created trading
stops for future ships• First to reach India for an eastern sea route to
Asia
Alvares Cabral
• Followed in Da Gama’s footsteps to India• Lisbon, India was a new trading center for the
world• Went to far West and hit land in what is now
Brazil– Land was claimed for the king of Portugal– The reason why Brazil is the only country in South
America to speak Portuguese
Columbus
• Italian citizen• Wanted to sail West to go
to India– Thought it would take 2
months
• Started sailing for Portugal for experience
Spain wants to explore
• Saw the success of Portugal• Wanted to gain the advantage of spice trade
with Asia• Italy and Portugal thought Columbus was
crazy for wanting to travel West to India, but Spain supported him
Why did Spain support Columbus
• Columbus promised to promote Christianity to everyone that he came into contact with
• If Columbus was right, he would gain a new/better route to Asia for Spain
Columbus’s First Voyage• Aug 3, 1492, Columbus left Spain heading
West• 3 ships-Nina, Pinta, and the Santa Maria• 90 men• Had to convince his crew not to mutiny
First Voyage Cont.
• Columbus found San Salvador (Bahamas)• Thought he was in the East Indies– Caribbean Islands=West Indies– Called the people Indians
• This proved a success and Spain under King Ferdinand and Queen Isabella decided to fund Columbus’s future trips
Columbus’ next three trips
• Went back to the Americas– Hispaniola (Haiti and Dominican Republic), Cuba,
and Jamaica
• Ended up traveling up and down the coast of South America/Central America (Mexico)
• Europe now understood that this was not Asia and that it was a new continent– Still did not understand how big of a land it was
Treaty of Tordesillas• Pope Alexander VI put a line
on the map known as the Line of Demarcation– Spain got land to the West– Portugal got land to the East– Was in Spain’s favor-line was
pushed further West• Split all land between both
countries in the New World
Amerigo Vespucci
• Map maker• Mapped South American coast line• First to call South America a new continent• America was named after him
Balboa
• Governor in Panama• Explored the lands of Central America• First European to see the Pacific Ocean