A history of portuguese overseas expansion 1400 1668 provides an accessible survey of how the . Including a detailed bibliography and glossary a history of portuguese overseas expansion 1400 1668 is an invaluable textbook for all those studying this fascinating period of european expansion. A history of portuguese overseas expansion 1400 1668 provides an accessible survey of how the portuguese became so influential during this period and how portuguese settlements were founded in areas as far flung as asia africa and south america malyn newitt examines how the ideas and institutions of a late medieval society were deployed to aid expansion into africa and the atlantic islands . A history of portuguese overseas expansion 1400 1668 provides an accessible survey of how the portuguese became so influential during this period and how portuguese settlements were founded in areas as far flung as asia africa and south america