John winthrop referred to massachusetts colony as “a city on the hill”
because
(a) boston’s elevation made it clearly visible from the atlantic ocean
(b) its views of religious freedom made it a safe haven for the oppressed
(c) the colony’s fair treatment of native americans was to be an example
for others
(d) the colony was to serve as an example of christian virtue and charity
(e) the term distinguished massachusetts from the lower-elevation
tidewater settlements in virginia

supplies had to travel a long distance across water on ships that were often attacked, so they did not reach europe

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.