Which of the following best describes how compasses of the 1850s affected the northern borders of Texas?

The northern boundary runs along the Red River on the 32nd parallel

The northern boundary runs along the Grand River and the 36/30 line

The northern boundary runs along the 63/30 line in the Sabrina River

The northern boundary runs along the Red River and the 36/30 line.

1 answer

The northern boundary runs along the Red River and the 36/30 line.