Help connect cities, highways, and waterways; they also aid in the
development of towns.
A. Oceans
B. Rivers
C. Lake

The rivers help connect cities, highways, and waterways, as well as aid in the development of towns.

Explanation:

A is not correct because the oceans are useful in many manners, but they also are an obstacle nor do they go inland but just serve the coastal areas.

B is correct because the majority of the towns and cities are located along rivers, which also connect them with other water bodies and inhabited places, and the majority of the traveling infrastructure is next to them and their valleys.

C is not correct because the lakes have such effects only on a local level but not on a larger scale.

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