Was mexico wise to break off diplomatic relations with the united states

Well, yes I think it was wise because they had been going to war with the United States over the land of the state that we now call Texas. This had been very wise of them to do because we had fought a lot of people in their Mexican military and a lot of their men had died. But, the war between the United States and Mexico had costed Mexico a lot of money and resources. So they had now choice but to basically surrender and forfeit.

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