What characteristics can be used to create a nodal region?

A nodal region is an area organized around a node, or focal point, and is defined by interactions or connections. A metropolitan area is an example of a nodal region, such as the Chicago Metropolitan Area, which extends into several counties in Illinois, as well as Wisconsin and Indiana.

-Anita A. Barader, 9/15/21

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.