1. it refres to a group sharing a common culture within a defined territorial boundaries

Society.

Explanation:

A society refers to a group sharing a common culture within a defined territorial boundary.

An example of a society could be the American people. The common culture being American culture, and the defined territorial boundaries being the borders of the country of the United States.

a) which ethnic groups live in this community?

i just took test

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.