The answer is Civil liberties have been limited during war
The son's of liberty was a secret society who opposed the stamp act and wanted to protect rights of the colonists. After the French and Indian War the British taxed the colonists but they felt that it violated their rights as citizens. "No taxation without representation" I don't know who funded them.. sorry.
The parity legislation basically sought to restore the terms of trade that was enjoyed by farmers beginning In the 1920s. This legislation was used by farmers to justify the prices of their agricultural produce. They compared this argument with the belief that farming needs to remain as profitable compared between the years of 1909 and 1914.