Read the passage.

In 1846, the United States declared war --on Mexico--, and the capture of northern Mexico, --New Mexico--, became one of its first objectives. A U.S. officer, --General Stephen Watts Kearny--, entered and captured Santa Fe. Today, New Mexico, --a state filled with rich cultural traditions--, has a diverse population.
Which underlined word is the appositive phrase?
( -- = underlined words)