The journeys of Vasco de Gama, Ferdinand Magellan and Christopher Columbus became possible in the late 1400s because of the

support of exploration by the English government
trade connections established by the Ibn battuta
Effects on Atlantic slave trade
Development of new navigational instruments and technology.​

Respuesta :

The great navigations carried out by Vasco da Gama, Ferdinand Magellan and Columbus were possible because of the development of new instruments and navigation technologies.

What were the great navigations?

They were the exploration of the Atlantic Ocean carried out mainly by the Portuguese, who aimed to explore new places in search of resources and trade with their country, such as the search for spices in the Indies.

The great navigations were only possible due to the development of technologies that made it possible to carry out travels safely to discover new worlds. Some of these technologies were cartography, the creation of the compass and the astrolabe.

Therefore, the correct alternative is:

  • Development of new navigational instruments and technology.​

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