Which factor gave constantinople the biggest advantage for trade?

Constantinople is the ancient city and the capital of Byzantine Empire. After the fall of Byzantine Empire, the trade center moved from Constantinople to Venice. It was positioned on the ingress of the black sea and it also used the major silk route in order to trade its products.  

It was the richest city in Byzantine Empire. The fertility of soil which was rich in mineral sources was the main reason for the city to become rich.  

It was agriculture based economy but had inherited military strategies from Rome. Constantinople traded Grains and silk which earned the Byzantine Empire great revenue.

b. after i get up in the morning,

explanation:

after is a subordinating conjunction that introduces a time clause. time clauses are dependent clauses used to indicate when something happened.

the clause "after i get up in the morning" tells when the action in the main clause (drinking a cup of coffee) happens:

"after i get up in the morning, i drink a cup of coffee." it is the most logical choice of all.

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)