But to answer your afrocentric question, the different empires each had their own established slave networks and infrastructure in Africa (logistics as has already been stated), see: 1  Arab slave trade. 2  Barbary slave trade. 3  Slavery in the Ottoman Empire.
Asparagus is a vegetable belonging to the lily family, which also includes onions, leeks and garlic. Eat asparagus as part of a heart-healthy diet, as it contains no fat, no cholesterol and very little sodium.
1 Preheat an oven to 425 degrees F (220 degrees C). 2  Place the asparagus into a mixing bowl, and drizzle with the olive oil. 3  Bake in the preheated oven until just tender, 12 to 15 minutes depending on thickness.