More recently the return of protests has been supercharged by three things.
Brexit is the gift that keeps on giving when it comes to getting people riled up and on the streets.
https://www.economist.com/britain/2019/03/23/marching-has-returned-as-a-force-in-british-politics

the gift that keeps on givingのところ、
the gift that keeps on being given となりそうなところだと思うのですが、どうでしょうか？