Problem: Albert Sidney Johnston (February 2, 1803 - April 6, 1862) served as a general in three different armies: the Texian (i.e. Republic of Texas) Army, the United States Army, and the Confederate States Army. He saw extensive combat during his 34-year military career, fighting actions in the Black Hawk War, Texas War of Independence, the Mexican-American War, the Utah War, and the American Civil War. Considered by Confederate States President Jefferson Davis to be the finest general officer in the Confederacy before the later emergence of Robert E. Lee, he was killed early in the Civil War at the Battle of Shiloh on April 6, 1862.

Johnston had various remaining military units scattered throughout his territory and retreating to the south to avoid being cut off. Johnston himself retreated with the force under his personal command, the Army of Central Kentucky, from the vicinity of Nashville. With Beauregard's help, Johnston decided to concentrate forces with those formerly under Polk and now already under Beauregard's command at the strategically located railroad crossroads of Corinth, Mississippi, which he reached by a circuitous route. Johnston kept the Union forces, now under the overall command of the ponderous Maj. Gen. Henry Halleck, confused and hesitant to move, allowing Johnston to reach his objective undetected. This delay allowed Jefferson Davis finally to send reinforcements from the garrisons of coastal cities and another highly rated but prickly general, Braxton Bragg, to help organize the western forces. Bragg at least calmed the nerves of Beauregard and Polk who had become agitated by their apparent dire situation in the face of numerically superior forces before the arrival of Johnston on March 24, 1862. Johnston's army of 17,000 men gave the Confederates a combined force of about 40,000 to 44,669 men at Corinth. On March 29, 1862, Johnston officially took command of this combined force, which continued to use the Army of the Mississippi name under which it had been organized by Beauregard on March 5. Johnston now planned to defeat the Union forces piecemeal before the various Union units in Kentucky and Tennessee under Grant with 40,000 men at nearby Pittsburg Landing, Tennessee, and the now Maj. Gen. Don Carlos Buell on his way from Nashville with 35,000 men, could unite against him. Johnston started his army in motion on April 3, 1862, intent on surprising Grant's force as soon as the next day, but they moved slowly due to their inexperience, bad roads and lack of adequate staff planning. Due to the delays, as well as several contacts with the enemy, Johnston's second in command, P. G. T. Beauregard, felt the element of surprise had been lost and recommended calling off the attack. Johnston decided to proceed as planned, stating "I would fight them if they were a million." His army was finally in position within a mile or two of Grant's force, and undetected, by the evening of April 5, 1862.

Was he successful at this?

Answer with quotes: intent on surprising Grant's force as soon as the next day, but they moved slowly due to their inexperience, bad roads and lack of adequate staff planning.

Question:
Benjamin Solomon Carson Sr. (born September 18, 1951) is an American neurosurgeon, author and politician serving as the 17th and current United States Secretary of Housing and Urban Development since 2017, under the Trump Administration. Prior to his cabinet position, he was a candidate for President of the United States in the Republican primaries in 2016. Born in Detroit, Michigan, and a graduate of Yale University and the University of Michigan Medical School, Carson has authored numerous books on his medical career and political stances.
By ninth grade, the family's financial situation had improved, his mother surprising neighbors by paying cash to buy a new Chrysler car, and the only government assistance they still relied on was food stamps. Carson attended the predominantly black Southwestern High School for ninth through 12th grades, graduating third in his class academically. In high school he played the baritone horn in the band, and participated in forensics (public speaking), chess club, and the U.S. Army Junior Reserve Officers' Training Corps (JROTC) program where he reached its highest rank--cadet colonel. Carson served as a laboratory assistant in the high school's biology, chemistry, physics school laboratories beginning in 10th, 11th, and 12th grade, respectively, and worked as a biology laboratory assistant at Wayne State University the summer between 11th and 12th grades. In his book Gifted Hands, Carson relates that as a youth he had a violent temper. "As a teenager, I would go after people with rocks, and bricks, and baseball bats, and hammers," Carson told NBC's Meet the Press in October 2015. He said he once tried to hit his mother on the head with a hammer over a clothing dispute, while in the ninth grade he tried to stab a friend who had changed the radio station. Fortunately, the blade broke in his friend's belt buckle. Carson said that the intended victim, whose identity he wants to protect, was a classmate, a friend, or a close relative. After this incident, Carson said that he began reading the Book of Proverbs and applying verses on anger. As a result, he states he "never had another problem with temper". In his various books and at campaign events, he repeated these stories and said he once attacked a schoolmate with a combination lock. Nine friends, classmates, and neighbors who grew up with him told CNN in 2015 they did not remember the anger or violence he has described. In response, Carson posted on Facebook a 1997 Parade Magazine issue, in which his mother verified the stabbing incident. He then questioned the extent of the effort CNN had exerted in the investigation. He has said that he protected white students in a biology lab after a race riot broke out at his high school in response to the assassination of Martin Luther King Jr. in 1968. The Wall Street Journal confirmed the riot but could not find anyone who remembered Carson sheltering white students.
Answer this question using a quote from the text above:

what was his major course of study?

Answer:
Carson served as a laboratory assistant in the high school's biology, chemistry, physics school laboratories beginning in 10th, 11th, and 12th grade,