Characteristics of New England in the Mid- 1800s Long coastline with many harbors Fishing, shipbuilding , and trade Abundant waterpower Thriving mills and small factories ? ? Which cause- and-effect relationship

BEST completes this diagram?

The best cause-and-effect relationship that completes this diagram is:

- Abundant waterpower → Thriving mills and small factories.

The availability of waterpower was a crucial factor that enabled the growth of industry and manufacturing in New England in the mid-1800s. The region's numerous streams and rivers provided a convenient and reliable source of energy for powering machinery, which spurred the development of mills and factories. These, in turn, created new job opportunities and contributed to the region's economic growth.