Answer: Hue
The Battle of Hue (or Massacre of Hue) is considered one of the bloodiest events of the war. It started on January 31, 1968 and lasted for 26 days. During the capture and occupation of the city by the Viet Cong and the People's Army of Vietnam, a huge amount of executions and mass killings took place. The death toll is estimated to be between 2,800 and 6,000 civilians and POWs.
Abraham Lincoln was the president and the Commander-In-Chief during the war, which is the highest military rank.
Ulysses Simpson Grant was Commanding General of the Union (North) along with Abraham Lincoln. Many people believe that General Grant was the commanding officer, so I would go with Ulysses Simpson Grant.
The main reason that New Mexico faced such difficulty in becoming a state in the 1800s was because Congress was unwilling to accept New Mexico's application for statehood. People were suspicious of the area's inhabitants and their varying background.
