sideshow
noun /ˈsaɪdʃəʊ/
/ˈsaɪdʃəʊ/
- a separate small show or attraction at a fair or circus where you pay to see a performance or take part in a game
- an activity or event that is much less important than the main activity or event
- Defeat in the local elections was a sideshow compared to what happened in the general election.