Simplify the following text for a Grade 10 native English-speaking person.
Original: Classical Greek culture had a powerful influence on the Roman Empire , which carried a version of it to many parts of the Mediterranean region and Europe , for which reason Classical Greece is generally considered to be the seminal culture which provided the foundation of Western civilization .
Simplified: Greek culture had a powerful influence on the Roman Empire , which carried a version of it to many parts of the Mediterranean region and Europe . In this way , Classical Greece was part of the foundation of Western civilization .