How did the Baroque style and the neoclassical (or roccoco) style
differ?

Rococo and Neoclassicism are two different styles in European art. Rococo is a style of the 18th century. In Rococo paintings, the subjects are often the loves of the Greek gods, loosely painted with attention to highlights and shadows and not so much to clear outlines or textures. In Neoclassical paintings, the subjects may be the stern moral lessons of Roman history, painted with crisp contours and contrasting textures

Explanation:

they made rome the dominant power in the mediterranean.