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.
Cook, stirring constantly, for roughly 3 to 5 minutes. 1  Use a heat-resistant flat spatula to stir the pieces of asparagus. 2  It is important to stir the asparagus to prevent the pieces from burning and sticking to the bottom of the pan.  The asparagus should be tender-crisp when done.