Answer:
cultural and political unity
Step-by-step explanation:
The form of nationalism that occurred in the United States up to 1865 was largely characterized by a strong emphasis on **cultural and political unity**. This period was marked by efforts to establish and maintain a sense of national identity and a united government, particularly during events such as the American Revolution and the Civil War. The focus was on forging a shared cultural and political identity among the states and regions that made up the United States during this time.