Their main goal is to mostly control the money supply. They can do this by changing the reserves through three messages.
hope this helped.
:D
Can you please explain what you need help with a little bit more? I don't understand the question. Please message me with any question or help.
The name for a geographically wide ranging group of peoples and states ruled by a single government is empire. The correct option among all the options that are given in the question is the second option or option "B". An empire can cover a huge amount of area consisting of several states or countries.
It's "C) Surfaces with higher pH levels protect lichens from acid rain."