Landslides

8 clues
Earth movers
Resounding wins
Political routs
Electoral sweeps
Election victories
Massive election triumphs
Massive electoral victories
Easy victories on Election Day
Similar answers:
Abcislands
Alands
Aleutianislands
Allandsundry
Allislands
Badlands
Balladlands
Ballandsocket
Barlands
Baronlandscape
Borderlands
Canaryislands
Carolineislands
Caymanislands
Collides
Cookislands
Coplands
Crashlands
Disneylands
Elands