Your correct answer would be D.
A medieval association of craftsmen or merchants, often having considerable power.an association of people for mutual aid or the pursuit of a common goal.
Export means shipping goods out of the country. This means that it depends on the country to say what was the export, one country's export in another's import.
For Europe, the export was textiles and rum,
For Africa, it was the slaves,
For America, it was sugar, tobacco and cotton.