Question

What was needed as a surplus to help create trade between cultures?

pottery
ice cream
sushi
crops

Answer 1

Crops were needed as a surplus so it could be easier to create trades between cultures.

Answer 2

Crops

Step-by-step explanation:

Agriculture was the force that changed society and human development. Humans stopped being nomads to settle in a place because of the ability to plant crops and produce a food surplus.

Food surplus made possible the development of cities and civilizations also made possible to start trade with other civilizations since they had food surplus.