The cavalry originated in the countries of the ancient world, in the regions where horses were raised on a large scale. Before the appearance of the cavalry in the armies of Egypt, China, and India, horse-drawn war chariots were used.
Roasting is cooking food, from meats to vegetables, with fats so that they have a brown and glazed exterior and a moist flavor. Baking muffins. Baking is the term used for cooking foods such as bread, potatoes, apples, etc. in dry heat in an oven.
Roast may use a combination of bottom and top, or bottom and convection. With baking, such as bread and cakes, you want an even heat, which typically is produced by letting heat rise from the bottom. Roasting, such as when cooking a roast or chicken, shifts the heat balance toward the top - browning the top of the meat as is as important, if not more so, than the bottom.