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.
Add the asparagus and cook. Dump the asparagus into the pan, adding the pieces slowly to prevent the oil from splashing on you. Cook, stirring constantly, for roughly 3 to 5 minutes. Use a heat-resistant flat spatula to stir the pieces of asparagus.