It should be A. i believe
Answer:
New England's shipbuilders earned profits by providing ships for the triangular trade
Explanation:
The New England colonies developed as a trade and economic center. The geographic condition did not make the region suitable for growing crops. The colonists focused on shipbuilding, fishing, and whaling while many of the colonists were artisans, blacksmith, merchants, traders, and furniture maker. By seeing the growth of the Atlantic slave trade, colonists began to expand the shipbuilding industry with a shipyard that helped them to earn profits by supplying vessels in the triangular trade.
Well, an alliance is a strength cause your stronger when you have more fighting with you and a weakness is that the axis may not agree with each other wich can lead to problems.
Example: America can't fire at a man that has a hostage but the other people the in an axis with have a different way of doing things wich leads to.. you guessed it problems.
Hope this helps!
Answer: I'm in 8th grade so forgive me if i'm wrong (kinda rusty) but i believe it is... canals,dams,and levees