My primary reason for supporting the theory that Romanians are descended from Romance Speakers who migrated north across the Danube, is alluded to in the image below:
Roman Provinces on the Eve of the Assassination of Julius Caesar, 44 BC
https://upload.wikimedia.org/wikiped...ublic-44BC.png
My gravest concerns for the above mentioned theory revolve around the fact that Romania is the most populous country in South Eastern Europe.