Which of the following groups was most immediately affected by the Gadsden Purchase?

O US citizens

O Mexican citizens

abolitionists

O slaveholders

Mexican citizens.

The Gadsden Purchase is a region the United States purchased from Mexico by the Treaty of Mesilla (1854). The acquisition incorporated lands that the U. S. wanted to develop a transcontinental railroad along a southern route.

The Gadsden Purchase was the least important territorial acquisition in the United States and settled the Mexico-United States border.