DEFINE FOR BRAINLIEST Alamo-
Sam Houston-
James K. Polk-
Zachary Taylor-
Winfield Scott-
Gadsden Purchase-
Wilmot Proviso-
California Gold Rush-
forty-niners-
placer mining-
hydraulic mining-

Alamo-  a siege and massacre at a mission in San Antonio in 1836;

Sam Houston-  United States politician and military leader who fought to gain independence for Texas from Mexico and to make it a part of the United States (1793-1863)

James K. Polk- was the 11th president of the United States, serving from 1845 to 1849. He previously was Speaker of the House of Representatives (1835–1839) and Governor of Tennessee (1839–1841).

Zachary Taylor-  a national war hero for his battles in the Mexican War, served in the U.S. Army for nearly 40 years before he was elected as the 12th president of the United States in 1849. He led the nation during its debates on slavery and Southern secession. (Died from eating cherries)

Winfield Scott-  American army officer who held the rank of general in three wars and was the unsuccessful Whig candidate for president in 1852. He was the foremost American military figure between the Revolution and the Civil War.

Gadsden Purchase-  Or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29,670 square mile portion of Mexico that later became part of Arizona and New Mexico.

Wilmot Proviso-  In U.S. history, important congressional proposal in the 1840s to prohibit the extension of slavery into the territories, a basic plank upon which the Republican Party was subsequently built.

California Gold Rush-  Miners extracted more than 750,000 pounds of gold during the California Gold Rush.

forty-niners-  Map courtesy Wikimedia Commons. Arriving in covered wagons, clipper ships, and on horseback, some 300,000 migrants, known as “forty-niners” (named for the year they began to arrive in California, 1849), staked claims to spots of land around the river, where they used pans to extract gold from silt deposits.

placer mining-  Is the mining of stream bed (alluvial) deposits for minerals. This may be done by open-pit (also called open-cast mining) or by various surface excavating equipment or tunneling equipment.

hydraulic mining- A form of mining that uses high-pressure jets of water to dislodge rock material or move sediment.

Explanation:

Internet -_-

because of the war the westeners befriended japan and each other advance.