As the population increased, early societies became more
a. war-like
b. complex
c. crowded
d. religious

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.

we need to see the passage before we can do anything further.   give me brainliest