Answer: Slavery was legal in most societies at some time in the past but is now outlawed in all recognized countries. The last country to officially abolish slavery was Mauritania in 1981. Nevertheless, there are an estimated 40.3 million people worldwide subject to some form of modern slavery.
Although even now people are still being enslaved without permission.
Hope this helps love.. (:
Do you have the options? If not I'd say European Imperialism was started by Portugal.
A geographer studies geography which is landscape and Earths natural physical features.
Like everywhere you go, though they may vary