Prepare for Medical School. Before attending medical school to become an anesthesiologist, a student must have a bachelor's degree. This undergraduate degree can be in any discipline but a background in the natural sciences, especially biology, is essential. Strength in chemistry, mathematics, physics and English is also needed.
Overall, American aircraft production was the single largest sector of the war economy, costing $45 billion (almost a quarter of the $183 billion spent on war production), employing a staggering two million workers, and, most importantly, producing over 125,000 aircraft, which Table 6 describe in more detail.
U.S. Entry into the War and the Costs of Lost Trade. From a crude dollar-and-cents point of view it is hard to justify the war based on the trade lost to the United States. U.S. exports to Europe rose from $1.479 billion dollars in 1913 to $4.062 billion in 1917.