Original sentence: His typology traced the functional evolution of European swords over a period of five centuries, starting with the late iron age Type X, and took into consideration many factors: the shape of blades in cross section, profile taper, fullering, whether blades were stiff and pointed for thrusting or broad and flexible for cutting and etc
Edited sentence: His typology traced the functional evolution of European swords over a period of five centuries, starting with the late Iron Age Type X, and took into consideration many factors: the shape of blades in cross section, profile taper, fullering, whether blades were stiff and pointed for thrusting or broad and flexible for cutting and etc