The Seven Years War expanded British territorial control significantly.

Evidence

The Seven Years War left the British government in charge of the lands to the west of the existing British colonies, from the Great Lakes down to the Mississippi. — Neil MacGregor, A History of the World in 100 Objects, 1347

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 1347
• XREF: connects to: Italy pursued deliberate territorial expansion while Britain’s grew by accident; Land-hungry settlers drove Anglo-Americans to provoke the Seven Years’ War