I got a 100 on this paper and the answer is B and C
Answer: Srilankans use two main languages, Sinhala and Tamil both being the official languages.
It would be A. Examples of civilizations in the Arabian Peninsula hope his helps
East Africa being Egypt, I'm pretty sure and it depends on what time period but the silk Road went right through east Africa so trade was probably really quick thanks to the silk road and the connection between the middle east and Africa...
Answer:
The Inca road system formed a network known as the royal highway or qhapaq ñan, which became an invaluable part of the Inca empire, not only facilitating the movement of armies, people, and goods but also providing an important physical symbol of imperial control. Across plains, deserts, and mountains, the network connected settlements and administrative centres. Well-built and lasting, many roads included bridges, causeways, stairways, and also had small stations (chaskiwasi) and sometimes larger, more luxurious complexes (tambos) dotted along every 20 km or so, where travellers could spend the night and refresh.
Explanation: