Final answer:
Hadrian's Wall slices through the heart of Great Britain.
Step-by-step explanation:
The country that Hadrian's Wall slices through the heart of is Great Britain.
Hadrian's Wall is a Roman fortification in Great Britain that was built by Emperor Hadrian in the 2nd century CE. It stretches approximately 74 miles across northern England, from the east coast of England to the west coast.
The wall was built to mark the northernmost frontier of the Roman Empire and served as a defensive barrier against potential invasions from the north, particularly by the Pictish tribes in what is now Scotland.
The country that Hadrian's Wall slices through the heart of is Great Britain. This massive Roman fortification was built by Emperor Hadrian in the second century CE and stretches roughly seventy-four miles across the landscape of what is now the north of England. With small forts known as milecastles placed at every mile, the wall marked the northern border of the Roman Empire in Britain and was intended to secure the Roman-occupied territories from the Scottish tribes to the north.