7. Which statement about a country's territory is true? A Geographic factors contribute to its power. B A country's size reflects its wealth. C Wars do not affect its boundaries. D A country's borders never change.

A

Explanation:

I hope this helped.

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.