Revelation 8:7 "... And all green grass was burnt up." The Green Grass was Burnt up, meaning: their Salvation was taken away. Most of them were killed for their Faith in God. THE MOUNTAINS CAST INTO THE SEA: Revelation 8:8 " And the second Angel sounded, and as it were a great Mountain burning with fire was cast into the sea. And the third part of the Sea became Blood."
Mountains are symbolic, meaning a Large Organization as that of the Communist Party. This Mountain Burning was symbolic for the Communist Party, as in Hebrews. Hebrews 12:22 " But you are come unto Mount Sion..." verse 23 " To the general assembly..." The Communist Party was this Great Mountain that fell upon Asia-Minor, and Eastern Europe.
I CALL THIS INLAND MEDITERRANEAN SEA THE SEA WORLD. which is the inland of Eastern Europe, the inland of the Mediterranean Sea.
THE SEA WORLD: Revelation 8:8 "... And the third part of the Sea became blood." The Blood is symbolic, meaning Life. (And it was) as it were a great Mountain burning with fire..." The Mountain is symbolic for the Communist Party. The Word Burning is symbolic, meaning the destruction When Communist fell on the Sea World: which is the Inland Sea of Eastern Europe. When Communist fell on those Nations: this caused the People to Burn with Anger.
This Blood was their Livelihood that was taken away. This was: when their Freedom was taken away; This caused them to Burn with Anger, and disgust.