How did the vikings manage to travel through rivers to inland cities?

Where did nomads from Southwest Asia and established new societies?

What did they use to write on?

Who arrived in Hawaii in the early centuries?

What river helped crops grow with less gardening tools during the foundation period?

What was the staple crop of the Americas?

Why did population go down so much in the Classical age?

How often did the Nile River flood?

Where did Austronesian mariners arrive in 700 BC?

What agricultural invention was used to create more lands and cultivate rice on?

600-800 CE was the high point of what dynasty?

Who did the Persians trade with across the Mediterranean?

What metal did the use to make their weapons?

What kind of crops did settles in New Guinea plant?

What created an easier and more productive way to spread good and trade from the north to south?

What was the busy city in the Americas surrounded by many temples?

Who used plows with iron tips pulled by collared horses?

What did the Bantu use to control their irrigation?

What kind of communities did settlers live in?

Which river was nicknamed "China's Sorrow"? What is the Yellow River

What did the Maya do when they arrived to the Americas in the 16th century?

What was needed to help when it rained or flooding?

What metal did they adopt?

Why did Austronesians have hunter/gatherer societies for so long?

What was the climate like in East Asia?What is a perfectly damp climate