How did building New England towns and cities around a common help colonies develop a diverse economy?

by attracting wealthier residents

by creating a more skilled workforce

by making it easier to trade goods

by providing better access to local harbors

can you attach the answer options

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france. 

it is based on the same philosophy as health insurance