Neoclassicism began to develop as a powerful movement in the late eighteenth century in arts. In art, it influenced by the classical art and culture of ancient Greece and Rome. Neoclassicism art characterised by little use of colour, straight lines, the clearness with attachment to classical values and techniques. The works of Jacques-Louis David considered being an example of Neoclassical painting.
They had well dispersed armies, conquers already weak empires, and had some persecuted people convert to Islamic religion. ... Vigorous religious and political opposition. Rebel groups (AKA Abbasids) overthrow them in 750.