Answer: 80 - 85% of the world.
Explanation:
At the height of European colonization, most of the world (80%+) had been colonized by the ambitious nations of Europe. Britain in particular, ruled almost 25% of the world at the height of their empire which would make them the largest empire to have ever existed.
Other European nations that coloniser vast areas are Spain, Portugal and France. The effect of this is that most of the world speaks a European language or another as their official language.
To learn about the foods and the importance of papyrus I’m not sure about the third but maybe the clothes and it is not marriage customs I can say 100% and as well I don’t see a river so I don’t think it’s that either
The Equator, or line of 0 degrees latitude, divides the Earth into the Northern and Southern hemispheres<span>. ... There are differences in the climates of the Northern and Southern </span>hemispheres<span> because of the Earth's seasonal tilt toward and away from the sun.</span>