a second attack on San Diego in June 1842. However, San Diego managed to defend itself once more. While the siege failed, the Kumeyaay managed to control much of the south, east, and most of the north of the settlement, with the town becoming dependent on sea access maintain connections to the rest of Mexico. Together with Quechan resistance in the east, the Kumeyaay cut off Alta California of all land routes to the rest of the Mexican republic between the Colorado River and the Pacific Ocean up until the Mexican–American War, further threatening Mexican control of the southern Alta California coast. The Kumeyaay prevented Mexican usage of the ranchos around San Diego and evicted most of the Californios in the area by 1844, and continued launching raids deep into the Mexican controlled coast up until the start of the Mexican–American War. Mexican-American War During the Mexican–American War, the Kumeyaay were initially neutral. The Kumeyaay of the San Pasqual pueblo were evacuated as the Americans approached the town. The Mexicans and the Californios were victorious over the Americans at the Battle of San Pasqual. A Kumeyaay leader, Panto, called on the Mexicans to cease hostilities with the Americans so that the Kumeyaay could tend to the wounded Americans, to which provided Panto and the San Pasqual Kumeyaay resupplied the Americans and helped ensure the American capture of the Pueblo de Los Ángeles and San Diego. Late modern era After the Mexican–American War, Kumeyaay lands were split between the U.S. and Mexico through the Mexican Cession resulting from the Treaty of Guadalupe Hidalgo. Yuma War and California genocide In 1851, San Diego County unilaterally charged property taxes on Native American tribes in the county and threatened to confiscate land and property should they fail to pay up. This led to the San Diego Tax Rebellion of 1851 or "Garra's Revolt", with the destruction of Warner's Ranch led by the Cupeño, opening up a new western front of the Yuma War. The Kumeyaay agreed to join the revolt alongside Cahuilla, Cocopah, and Quechan warriors, but made no military commitments to attack San Diego or capture Fort Yuma. However, not all Kumeyaay bands fought on the same side of the Yuma war; the San Pasqual Band of Kumeyaay fought against the Quechan campaign to attack San Diego and defeated the Quechan in the San Pasqual Valley. The Kumeyaay withdrew from the war after