When one examines the global distribution of tundra ecosystems, there are inconsistencies with the expected latitudinal distribution of the tundra biome. In South America, there is a thin strip where these biomes are found from close to the equator almost to the southern tip of the continent. How are these found in these very different latitudes?

The line observed on the map corresponds to the Andes, a very tall mountain range

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.