In the united states, central and state governments work together to make political, economic, and social decisions for all citizens. this form of government is called
a unitary system.
a democracy.
a federal system.
a republic.

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."

anybody wanna play fortnite?

a causal relation between two events exists if the occurrence of the first causes the other. the first event is called the cause and the second event is called the effect. a correlation between two variables does not imply causation.

explanation:

the correct answwer is d