Answer:
The answer is D, the Nueces River.
Explanation:
Conflict with Mexico began when the United States annexed Texas as a state in 1845. Mexico claimed that the new border between Texas and Mexico was the Nueces River, while the United States contested the border was the Rio Grande.
I don't understand, what is the question that you are asking?
A
Principles of government for a new conlony self-government
He sent ambassadors to the Holy Roman emperor to ask for his permission
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the federal agency
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