<P> Before the secession of Texas , Mexico comprised almost 1,700,000 sq mi ( 4,400,000 km ) , but by 1849 it was just under 800,000 square miles ( 2,100,000 km ) . Another 30,000 square miles ( 78,000 km ) were sold to the U.S. in the Gadsden Purchase of 1853 , so the total reduction of Mexican territory was more than 55 % , or 900,000 square miles ( 2,300,000 km ) . </P>
<P> Before the secession of Texas , Mexico comprised almost 1,700,000 sq mi ( 4,400,000 km ) , but by 1849 it was just under 800,000 square miles ( 2,100,000 km ) . Another 30,000 square miles ( 78,000 km ) were sold to the U.S. in the Gadsden Purchase of 1853 , so the total reduction of Mexican territory was more than 55 % , or 900,000 square miles ( 2,300,000 km ) . </P>
how much land did the us gain after the mexican american war
how much land did the us gain after the mexican american war
900,000 square miles
900,000 square miles