I believe they used the same materials and same patterns and designs. They combined their ways of building as well.
Answer:
1)D
2)A
3)C
4)A
5)D
6)A
These are what I scraped up from within my knowledge to the best of my ability.
All of them besides tribal membership i know it
Answer:
Aqueducts
Explanation:
First developed around 312 B.C., these engineering marvels used gravity to transport water along stone, lead and concrete pipelines and into city centers.
Answer:
Islamic doctors developed new techniques in medicine, dissection, surgery and pharmacology. They founded the first hospitals, introduced physician training and wrote encyclopaedias of medical knowledge
