What is the term for the system where each branch of government is able to check, or limit, the power of the other two branches

The term is "Checks and Balances", it refers to the three branches and how they check on each other so that they don't have to much power.

our former president bush did 9/11

early greek culture has had an important impact on government and education. first of all, they established the democratic political systems and procedures we have today. consequently, we inherited trial by jury for example. considering education, greek philosphers, mathematicians set he intellectual basis of different areas of studies. in addition, the alphabet originated from the phoenician alphabet into the one we have today and the first library was built in egypt. moreover, greek culture has an impact in current art, architecture and sports disciplines.