Question

for what all purposes routesof contact were used​

Answer 1

Explanation:

The trade routes served principally to transfer raw materials, foodstuffs, and luxury goods from areas with surpluses to others where they were in short supply. ... Another important trade route, known as the Incense Route, was controlled by the Arabs, who brought frankincense and myrrh by camel caravan from South Arabia

Answer 2

Routes of contacts are used for communicating from a part of place to another.