MANIFEST DESTINY 1806 1855
ELECTION OF 1848 AND THE CALIFORNIA GOLD RUSH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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after President Polk refused to sell California to Mexico
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in large part because of dispute of a border
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after gold was discovered in California
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because the two nations disagreed over the boundary of the Oregon Territory
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Detailed explanation-1: -It stemmed from the annexation of the Republic of Texas by the U.S. in 1845 and from a dispute over whether Texas ended at the Nueces River (the Mexican claim) or the Rio Grande (the U.S. claim).
Detailed explanation-2: -The immediate cause of the Mexican-American War was a disputed boundary between the United States and Texas on the Nueces Strip. Mexico did not recognize Texas as legitimate American territory and Texas admission to the United States antagonized Mexican officials and citizens.
Detailed explanation-3: -The dispute surrounding assigning the border at the Río Grande or at Nueces River, coupled with the U.S. annexation of Texas in 1845, set the Mexican-American War into motion.
Detailed explanation-4: -In short, the Mexican-American War was caused because of the United States’ repeated encroachment on Mexican territory, such as its’ annexation of Texas, which Mexico refused to recognize as being independent. Therefore, Mexico also refused to recognize the claimed border between the two nations.
Detailed explanation-5: -The U.S. sent troops to the disputed Rio Grande, ignoring Mexican demands to withdraw. Mexico subsequently attacked a group of 80 soldiers on April 25, 1846, a move which Polk used to convince the Congress of the United States to declare war.