They have the ability to enforce law, the president only gives suggestions about new laws
Answer:The amount of land gained by the United States from Mexico was further increased as a result of the Gadsden Purchase of 1853, which ceded parts of present-day southern Arizona and New Mexico to the United States.
...
Treaty of Guadalupe Hidalgo.
Long name:[show]
Signatories Mexico United States of America
Citations 9 Stat. 922; TS 207; 9 Bevans 791
Explanation: