The new england colonists made their living by:

selling lumber

fishing

ship building

hunting

all of the above

Explanation:

The earliest colonies were fishing and farming villages. Despite the land wasn't that much fertile, also they had access to several resources as lumber, that had high value, because allowed them to built houses and ships. Also, they were able to provide England when wood shortages happened.

Also, they got furs from the wild life, trough hunting. So, yes in deed, they did all those activities for living.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

that would be the steamboat because none of the other things are forms of transportation