Answer:
Charlemagne 
✔ united 
 much of Western Europe by conquering other kingdoms and tribes. 
 
Charlemagne became the 
✔ emperor 
 of the Holy Roman Empire. 
 
Trade 
✔ grew 
 in Western Europe during Charlemagne’s reign. 
 
Charlemagne helped 
✔ Christianity 
 spread by building more churches and monasteries.