If you were planning a long-distance sea voyage during the second half of the 15th Century to little-known destinations along unknown routes, what problems with the physical environment would you expect to have to deal with during the voyage

Storms and diseases.

Explanation:

Storms, food availability and diseases are the problems you expect to have to deal with during the voyage because the storms and ocean diseases occur to the people traveling in the voyage. Storm is the major problem facing by the people during travelling into the ocean because it is unexpected and they have to deal with it. Diseases also occur to the people during their travel and sometimes due to long journey people face food scarcity.

health and medicine because people are dying from not being healthy or not strong enough medicine

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]