Its purpose was to generate revenue for the federal government (to run the government and to pay the interest on its debt), and also to act as a protective barrier around newly starting domestic industries. An import tax set by tariff rates was collected by treasury agents before goods could be unloaded at U.S. ports.
What exactly is your question?
Answer:
Gettysburg
Explanation:
That was during the location of the civil war and civil war was the deadliest "war"
The majority of the border follows the Rio Grande River.