Alexander the Great was king of Macedonia, which was an ancient Greek kingdom. Eventually, Macedonia would become the center of Hellenistic culture. Alexander's empire had become one of the largest of the ancient world by the time he turned 30. His rule spread Greek civilization all over the continent, and to areas as remote as India and Northern Africa. This resulted in cultural diffusion but also in syncretism. It also marked the beginning of Hellenistic civilization.
The most immediate cause of the Texas Revolution was the refusal of many Texas, both Anglo and Mexican, to accept the governmental changes mandated by "Siete Leyes" which placed almost total power in the hands of the Mexican national government and Santa Anna.
Torture in the Medieval Inquisition began in 1252 with a papal bull Ad Extirpanda and ended in 1816 when another papal bull forbade its use. Although the torture that was sanctioned by the bull was less severe than the torture that could be found in contemporary secular courts.
Hitler, Mussolini, Stalin, and Trump all used propaganda and fear mongering to emotionally and mentally manipulate supporters into giving them more power and discriminate and attack people with opposing views