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.
Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Steamed Asparagus. 18 calories of Asparagus, fresh, (5 spear, medium (5-1/4 to 7 long)) 1 calories of Lemon Juice, (0.33 tsp) 0 calories of Salt, (0.33 tsp)