I'm not 100% sure but i do believe germany helped start the war by there political takeover done by hitler and the nazi's, so i would say A would be the best answer seeing as it would be the only type of take over suggested here. Hope this helps!
Answer:
Mexico was essentially broke. The country was racked by financial instability as the war began in 1846. America's blockade of Mexican ports worsened an already difficult situation, as Mexico couldn't import and export goods, or levy taxes on imports.
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It marked the start of the American War of Independence