How did john tyler betray his party after assuming presidency?

He vetoed legislation to restore the national bank.

Explanation:

John Tyler was an American lawyer and politician who served as the 10th President of the United States between 1841 and 1845, but briefly served as the 10th Vice President of the United States.

Tyler was elected in 1811, his political party supporting the restoration of a national bank that would conduct the country's economy. Although restoring a national bank seemed promising to the US, Tyler based his presidency on strong opposition to restoring that bank, that is, as soon as he was elected Tyler vetoed legislation to restore the national bank, in fact Tyler based his government on strong opposition to the national bank, along with strong support for state rights. As he was against the will of the political party he was affiliated with, he was considered a traitor.

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the correct answer is :

{b.}   ( american workers lose job opportunities )

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