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In May 6, 1846. The Mexican Army crossed the Rio Grande to stop the U.S. Army. With Boats shuttle across and carrying Mexican troops for 3 days, With the leader named General Arista's and his plan was to wipe them out.
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fought at a small site in southeastern Texas about 9 miles (14.5 km) northeast of Matamoros, Mex. Mexican troops had crossed the Rio Grande to besiege Fort Brown and to threaten General Zachary Taylor’s supply center. General Taylor and his army met the invaders at Palo Alto with superior artillery. Despite the greater numbers and crack cavalry units of the Mexican army, commanded by General Mariano Arista, the Mexicans suffered heavier casualties.
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Plan del Río, a few miles from Cerro Gordo, where they met a Mexican force of 12,000 men under General Antonio López de Santa Anna entrenched in the pass. A flanking maneuver to gain the enemy rear, suggested and guided by Captain Robert E. Lee, was in progress when fighting began on the front, and the Mexicans broke. Santa Anna escaped, leaving about 1,130 casualties and about 3,000 prisoners. Scott moved on to Puebla, the second largest city of Mexico, and later to Mexico City. -
U.S. army of about 5,000 men under General Zachary Taylor had invaded northeastern Mexico, taking Monterrey and Saltillo. General Antonio López de Santa Anna meanwhile had gathered a force of about 14,000 troops and was marching north from San Luis Potosí to engage the invaders. Although the numbers were impressive, they were badly armed and poorly trained. In April at the Battle of Cerro Gordo, Santa Anna failed to halt the invasion of another U.S. army captured Mexico City in September. -
The war officially ended with the February 2, 1848, signing in Mexico of the Treaty of Guadalupe Hidalgo. The treaty added an additional 525,000 square miles to United States territory, including the land that makes up all or parts of present-day Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming. FIN
