How did John Henry contribute to the outbreak of the War of 1812? A. He was the first American citizen to be impressed into the British Navy.
B. He cast the deciding vote in Congress to declare war on Britain.
C. He claimed West Florida for the British after the United States bought Louisiana from France.
D. He wrote letters indicating that New England might secede from the U. S. and join the British Empire.

I think answer is b

Explanation:

please mark as brainlist answer

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.