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.
When youâre huddled over a plate of greasy diner food, begging the Hangover Gods for forgiveness, ask the waiter for a side of steamed asparagus. According to a study in the Journal of Food Science, the amino acids and minerals found in asparagus may alleviate hangover symptoms and protect liver cells against toxins.