When was the fall and rise of athens

Ineed asap! ! what is the name of the system in which each branch of the u.s government can limit the actions of the other branches? a. perpetual union b. division of powers c. cooperative federalism d. checks and balances

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?

Which task would be executive office of the president most likely be responsible for?