Well, that would be the Nazis and the Soviets, though the Soviets were much larger of an army, the Nazis were far more brutal for their treatment of their captives.
Commonly known as the "Stockholm Syndrome"
The Teutonic Knights were known for being among the most brutal crusader knights. They were a military order that originated in the German-speaking areas, known for their fierce tactics and ruthless approach during the Northern Crusades in the Baltic region. They were known for their harsh treatment of non-Christians and their brutal sieges on fortified cities.
During the Shang Dynasty, the soldiers would usually torture their captives for relevant information. One brutal method was known as the 'Pear Of Anguish' in which steamed pears were forced up the rectum, causing it to split, and resulting in blood loss, rectal convulsions and usually death.
More or less, the Aztecs were known for their brutal human sacrifices, but most were simply because the Aztecs believed the world would end if they did. Aztec society was also very organized and fair, including an education for all instead of just the higher classes.
The Order of the Holy Trinity, also known as the Trinitarians, played a significant role in the Crusades by focusing on the rescue of Christian captives and the promotion of the Christian faith. Founded in the early 12th century, they provided financial support for ransoming prisoners and offered spiritual guidance to crusaders. Their efforts not only bolstered the morale of the crusading forces but also helped maintain a sense of purpose in the often brutal and challenging environment of the Crusades. By facilitating the redemption of captives, they contributed to the broader goal of expanding and defending Christendom.
Harbin,China
The leg of the triangular trade during which Africans were forcibly brought to the Americas is known as the Middle Passage. This brutal journey involved transporting enslaved Africans across the Atlantic Ocean to various destinations in the Americas, where they were sold into slavery. The conditions aboard the ships were horrific, leading to high mortality rates among the captives.
The Assyrians were known for their brutal military campaigns and psychological warfare, employing tactics such as mass deportations, torture, and the execution of captives. They often used intimidation to subdue conquered populations, displaying the severed heads of enemies on city walls and flaying those who resisted. Their brutal methods were intended to instill fear and ensure control over their vast empire, which stretched across parts of modern-day Iraq, Syria, and Turkey. This reputation for violence contributed to their legacy as one of the most feared civilizations of the ancient Near East.
Egyptians
Canon or code .
The puritans won the brutal war known and the war of king philip's
Spiritual leaders known as gurus and sages