The aqueducts of ancient Rome demonstrate that this early civilizations * 1 used large wooden structures for protection o
2 practiced religious toleration
3 were able to prevent flooding
4 had advanced technology

boundary is what it refers to hope this

explanation:

cuba is a multi-ethnic nation

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.