Why didn’t America imperialize eastward?

consists of policies aimed at extending the political, economic and cultural influence of the United States over areas beyond its boundaries. Depending on the commentator, it may include military conquest, economic penetration through private companies followed by intervention when those interests are threatened, or regime change.

Explanation:

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.

c. extended rights of citizenship to new groups