Which of the following is a reason to why portuguese traders and sailors attempted to find an all water route to asia? a. because the venetians controlled the mediterranean and middle-eastern traders controlled the land route to asia. c. because prince henry the navigator showed his students how to quickly get to asia by sailing west. b. because the spanish and portuguese sailors decided to work together in finding a new sea route to asia.

The correct answer is A) Because the Venetians controlled the Mediterranean and Middle-eastern traders controlled the land route to Asia.

A reason why the Portuguese traders and sailors attempted to find an all-water route to Asia was because the Venetians controlled the Mediterranean and Middle-eastern traders controlled the land route to Asia.

Portugal sent out explorers to find an Ocean route to Asia. Portuguese were the first ones to establish a sea trade with Asia, Many merchants exported and imported products. The son of the King of Portugal, Prince Henry, really supported exploration, that is why it was a priority for Portugal. He was known as Henry, the Navigator, for the dedication and support of exploration.