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.
Directions. Bring 1 inch salted water to a boil in a large skillet. Add asparagus in one layer. Cook until tender, about 5 minutes for medium and 7 minutes for jumbo. Drain, and transfer to a serving platter. Sprinkle with salt and pepper, and top with a pat of butter.