Question

what do you mean by rain of terror

Answer 1

I think it is Reign of terror .
The Reign of terror began after the demise of Louis XVI. The concept was initiated by Robespierre. He was a powerful man and leader of Public safety committee.
hope it helps you

Answer 2

the rain of terror are also called regin of terror is a period during which there is a lot of violence and killing the people ...the synonymous of it's is despotism,tyrany,doctor ship......
this may be help u