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.
So, while roasting and baking are almost identical methods of dry heat cooking, the terms roasting and baking apply to two different kinds of foods. You generally roast food that has structure already, solid foods such as meats and vegetables.