Someone help i don’t understand

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

The passage below can be revised to make it more concise. which word is a modifier that can be eliminated because it adds no meaning? dr. madison is somewhat skeptical about stories of global warming. she has gathered scientific data in remote areas to prove her position. somewhat global scientific remote

What would you call a political system that is only meant to last for a short time