This is a good summary. I have written posts on most of these.
The GOP in 2018:
— Keith Boykin (@keithboykin) December 6, 2018
FL: Block campus voting
GA: Purge thousands of voters
KS: Close precincts in Hispanic areas
MI: Strip power from new governor
NC: Election fraud
ND: Restrict Native Americans from voting
TX: Close polling site on HBCU campus
WI: Strip power from new governor