Sure! Here’s the matching of events with the appropriate empires:
- Collapsed in the 400's - Roman Empire
- Empires slowly disintegrated - Both
- Latin was key language - Roman Empire
- Spread through Eastern Europe and Western Asia - Byzantine Empire
- Developed strong trade networks - Both
- Based in western Mediterranean - Roman Empire
- Greek was key language - Byzantine Empire
- Spread through Western Europe - Roman Empire
- Embraced Catholicism - Roman Empire
- Emperors were Christians after 300's - Both
- Embraced Eastern Orthodox Christianity - Byzantine Empire
- Gained empires through military victories - Both
- Based in eastern Mediterranean - Byzantine Empire
- Collapsed in the 1400's - Byzantine Empire
Feel free to ask if you have any more questions!