His discovery of the role of oxygen. He recognized and named oxygen and hydrogen and opposed the phlogiston theory. He helped construct the metric system, wrote the first extensive list of elements, and helped to reform chemical nomenclature.
Because they just wanted land, they weren’t interested in learning about the people there, they just wanted to conquer new “untouched” lands.
Swahili originated in Arabia and is a common second language for a majority of Africans. I know this because I who family who speak Swahili as a secondary language. (Plus I know some Swahili)
<em>Hope I helped ^-^</em>
I think A hope this helps
( ' 3')