Answer:
The Ottomans exported luxury goods like silk, furs, tobacco and spices, and had a growing trade in cotton. From Europe, the Ottomans imported goods that they did not make for themselves: woolen cloth, glassware and some special manufactured goods like medicine, gunpowder and clocks.
There is not a specific antonym for diaspora, but the opposite of a diaspora would be the regrouping of a community or the coming together of a community. It could also be a renewal of a specific cultural group or ethnicity coming back together in a sort of revival of their culture.
True..................................