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.
Roasting is just such a great way of cooking asparagus: the dry heat from the oven helps the asparagus caramelize, intensifies all the flavors, and even brings out a bit of a nutty flavor. Roasted asparagus, or baked asparagus (it's the same thing!), definitely tastes different from boiled or steamed asparagus.