 Complete the following phrase:  Sidnell argues that the record shows that Roman cavalry in Republican times were a strong force in which they bested higher reputed cavalry of the time. Examples include the Heraclea 280 BC, in where the Roman cavalry dismayed the enemy leader Pyrrhus by gaining the advantage in a bitterly contested melee against his Thessalian cavalry, then regarded as some of the finest in the Western world, and were only driven back when Pyrrhus deployed his elephants, which panicked the Roman horses. Other examples include the Equites victory over the vaunted Gallic horse at Telamon, and Sentinum, against the Germanic cavalry of the Teutons and Cimbri at Vercellae, and even against the technologically more advanced Seleucid cavalry including fully armored cataphracts at 