The lethal war with Kalinga transformed the vengeful Emperor Ashoka into a stable and peaceful emperor, and he became a patron of Buddhism. According to the prominent Indologist, A. L. Basham, Ashoka's personal religion became Buddhism, if not before, then certainly after the Kalinga War.
“The lethal war with Kalinga transformed the vengeful Emperor Ashoka into a stable and peaceful emperor, and he became a patron of Buddhism. ... Nevertheless, his patronage led to the expansion of Buddhism in the Mauryan empire and other kingdoms during his rule, and worldwide from about 250 BCE.”
"<span>the assassination of Archduke Franz Ferdinand" is thought to be the spark that lit the powder-keg </span>of war at the beginning of the 20th century. A dense web of alliances was set off from this shooting.