How do u define demography

Demography is the study of human populations – their size, composition and distribution across space – and the process through which populations change.

Explanation: Demography can also be applied to entire groups defined by nationality, religion and ethnicity.

wisdom

explanation:

the fact that that the teachings on the cosmic order comes from, or through, the heart center

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.