What decision by President Polk led to the Mexican-American War? (1 point)

Polk sent an envoy to Mexico to try to work out a peace agreement after the
U.S. annexed Texas.
Polk sent General Zachary Taylor to Texas, and General Taylor settled west of
the Nueces River, which was disputed territory in West Texas.
Polk signed the Compromise of 1850, a compromise where the U.S. gave
Texas $10 million.
During Polk’s presidency, Taylor’s forces beat a larger Mexican army at Buena
Vista.

Polk sent General Zachary Taylor to Texas, and General Taylor settled west of the Nueces River, which was disputed territory in West Texas.