Overseas Conquest and Religious War to 1648275
goods from the African, Indian, or Asian interior for
transshipment to Portugal in return for cash or Euro-
pean commodities. These colonies were rarely more
than towns protected by a Portuguese garrison and
governed by Portuguese law. They were not, for the
most part, self-sustaining. To prosper, they had to main-
tain diplomatic and commercial relations with their
neighbors while retaining the option of force, either for
self-protection or to obtain a favorable market share in
regional trade. Because Portugal’s population was small,
there was no question of large-scale immigration. Gov-
ernors from Albuquerque onward sought to maintain
colonial populations and to solidify Portuguese control
by encouraging intermarriage with native peoples.
Communication between these far-flung stations
and the mother country was maintained by the largest
ships of the age, the thousand-ton carracks of the Car-
reira da India.The voyage around the tip of Africa took
months and the mortality among crews was dreadful,
but profit to the crown made it all seem worthwhile. To
discourage smuggling, everything had to be shipped to
and from a central point—the Guinea Mines House at
Lagos, near Sagres—where royal officials could inspect
the cargoes of spice and silks and assess the one-third
share owed to the king. In return, the monarchy pro-
vided military and naval protection for the colonies and
for the convoys that served them. Colonial governors,
though appointed by the crown, enjoyed the freedom
Ocean
Pacific
Ocean
Pacific
Ocean
Indian
Ocean
Atlantic
CUBA
NEW
SPAIN
PERU
BRAZIL
SPAIN
PORTUGAL
AFRICA
ANGOLA
PERSIA CHINA
JAPAN
PHILIPPINES
CEYLON IN
DON
ESIA
GOLD
COAST
I
E
E
F
F
G G
G
C
H C
H
B
A
C
H
D
D
D
D
H
INDIA
Tenochtitlán
(Mexico City)
Porto Bello
Bahia
Lisbon Cádiz
Ceuta
Elmina
Zanzibar
Mozambique
Ormuz
Diu
CalicutGoa
Colombo
Canton
Macao
Nagasaki
Manila
Malacca
Timor
Potosí
Bakongo
Lima
Bristol
CanaryIslands
VerdeCape
Azores
0 2000 4000 Miles
0 2000 4000 6000 Kilometers
A Portuguese expeditions 1430s–1480s
B Diaz 1487– 1488
C Da Gama 1497– 1499
D Portuguese voyages to the Far East 1509–1514
E Columbus's first voyage 1492
F Columbus's three successive voyages 1493– 1504
G Voyages attended by Vespucci 1499– 1502
H Magellan—Del Cano 1519– 1522
I Cabot 1497
Principal Voyages of Discovery
Areas under Spanish control
Areas under Portuguese control
Line of Demarcation, Treaty of Tordesillas 1492
Spanish trading cities
Portuguese trading cities
Independent trading cities
Spanish routes
Portuguese routes
Other routes
MAP 15.1
European Voyages and Conquests in the Fifteenth and Sixteenth Centuries