Anyone who is seriously interested in political action over the long term should read this report summarizing 12 years of survey research by the Congressional Management Foundation among 1,200 Congressional staffers on most effective ways to contact and influence lawmakers.
http://www.congressfoundation.org/news/press-releases/1325-at-peak-of-ci...
A PDF of "Citizen-Centric Advocacy: The Untapped Power of Constituent Engagement" is available at: http://www.congressfoundation.org/citizen-centric-advocacy-2017. .