Question

The structure built to keep out the northern barbarians was called the what?

And is located where?

Answer 1

Answer is Hadrian’s Wall

Reason - if you are studying Ancient Rome you will find Hadrian's Wall was the north-west frontier of the Roman empire for nearly 300 years. It was built by the Roman army on the orders of the emperor Emperor Hadrian to protect the Roman Empire from “barbarians” to the north.

The Hadrian’s Wall crosses England from Wallsend, near Newcastle, through Northumberland to the historic city of Carlisle and finally to the Solway Coast.

Answer 2

Called: Great Wall [of China]

Located: China

Step-by-step explanation:

Hope this helps.