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.
I'm wondering if 'baking' is referring to a method that involves more than 1 ingredient type foods. ie: cakes, casseroles, etc. Roasting is typically for a 1 ingredient item, especially if the purpose is to brown the item ie: roast beef, chicken. There is a difference between baked potatoes, and roast potatoes. Roast potatoes have a marinade that will help the potatoes get a yummy golden brown colour to them. Baked potatoes will remain white.