<span>The largest of the five so-called "civilized tribes" was the Cherokee. They were considered to be the most civilized tribe and they had a written language and a constitution.</span>
"c. ecotourism" is one way that economies in southern and eastern Africa are overcoming economic challenges, since more and more people want to experience the sights and activities in these regions for less money.
China, Hong Kong, Vietnam and many other small countries
