What were six important sets of actions and reactions in the years 1824 to 1846 that lead to war between the US and Mexico ?

Explanation:

1844. June 6 - U.S. Senate defeats treaty of annexation with Texas. ...

1845. January 2-10 - Santa Anna attacks Puebla. ...

1846. January 1 - The Yucatán declares its independence from Mexico and its neutrality in the war with the United States. ...

1847. January 2 - Battle of Santa Clara, California. ...

The Mexican-American War, waged between the United States and Mexico from 1846 to 1848, helped to fulfill America's "manifest destiny" to expand its ... largely because northern political interests were against the addition of a new slave state. ... border raids and warning that any attempt at annexation would lead to war.

1844. June 6 - U.S. Senate defeats treaty of annexation with Texas. ...

1845. January 2-10 - Santa Anna attacks Puebla. ...

1846. January 1 - The Yucatán declares its independence from Mexico and its neutrality in the war with the United States. ...

1847. January 2 - Battle of Santa Clara, California.

Explanation:

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the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.