What river that Texas claimed as its border in 1845 is not part of Texas’s borders today?

Texas claimed the Rio Grande as its southern border. Mexico said the Nueces River, to the north, should be the border. The dispute simmered until Dec. 29, 1845, when the U.S. annexed the Lone Star State, and sent troops to the Rio Grande a month later.

Explanation:

answer; i believe the two groups were irish immigrants and chinese immigrants;