Complex sentence: The French had already taken 2,500 losses, did not continue active persecution beyond Mora, and the defeated army was able to take the highway from Andalusia and arrive in good order at Manzanares.
Split into simpler sentences: The French had already taken 2,500 losses and did not continue active pursuit beyond Mora. The defeated Spanish army was able to take the highway from Andalusia and arrive in good order at Manzanares.