Describe a even that promoted nationalism after the war of 1812 during the era of good feelings

The Era of Good Feelings is mostly associated with American nationalism. America had just broken away from the British crown that had ruled them for so long. ... In addition, the improvements to the American infrastructure during this time is nationalism. Also during this time there was slight separation among the people.

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.