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.
How to Make It. 1  Trim the asparagus by either snapping or peeling the spears.*. 2  Heat a large frying pan with a tight-fitting lid over medium-high heat. Once it's hot, add the oil. 3  Add the trimmed asparagus to the pan. It should sizzle as it hits the hot surface.  Sprinkle with salt and/or lemon juice or zest to taste. Serve hot or warm.