On 18 June, the United States declared war on Great Britain, citing, in part, impressment. After the Napoleonic Wars impressment was ended in practice, though not officially abandoned as a policy. The last law was passed in 1835, in which the power to impress was reaffirmed.
Since the development of industrial society, more and more jobs were replaced by simple machinery and it focus the spread of job availability to only several areas in united States.This caused the decreasing rate of wages or even employment within the u.s society, and the economic pressure eventually lead to class violence
They were trying to accomplish better working conditions and better pay for the field workers.
