foment|fomented|fomenting

社交媒体上的谣言煽动了社区之间的紧张关系。

Rumors on social media ___foment tension between communities.

某些政客的言论煽动了民众的不满情绪。

Some politicians' speeches ___fomented public discontent.

他因煽动暴力而被逮捕。

He was arrested for ___fomenting violence.