Register to vote: https://vote.gov
Contact your reps:
Senate: https://www.senate.gov/senators/senators-contact.htm?Class=1
House of Representatives: https://contactrepresentatives.org/
Register to vote: https://vote.gov
Contact your reps:
Senate: https://www.senate.gov/senators/senators-contact.htm?Class=1
House of Representatives: https://contactrepresentatives.org/
Only when Republicans are in power. At least historically.