Voting is crucial in every election. Check out the gerrymandering puzzles to learn how the weight of your vote can be (unfortunately) manipulated through redistricting.
Here are some other voting resources for the November 3rd US election :
At vote411.org, you can register to vote, check your registration status, and find out what’s on you ballot.
More voting info for 2020 can be found at ballotpedia.org.
Many states now let you check the progress of your mail-in ballot. This CNN page has links to all states that have this service.
To learn more about redistricting, go to fairvote.org.