Many historians point to the annexation of texas by the united states as being the spark that caused the a) texas revolution b) american civil war c) mexican revolution d) mexican-american war

The correct answer is D.

The Texas Annexation into the United States of America took place in 1845. The majority of the Texian population supported it. But, on the US side, the main political parties opposed it because of the importance of slavery in that territory. Moreover, it could start a conflict with Mexico, that had not acknowledged yet the independence of their former Northern province, although it has seceded ten years before.

Therefore, it was the spark with gave rise to the Mexican-American War (1846-1848)

D)Mexican-American War

Explanation:

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b - those executed came from every social and economic class