There was a time when a C meant average. The average GPA at four-year colleges and universities has risen from 2.52 in the 1950s to 3.11 in 2006. And according to Stuart Rojstaczer, a former Duke University professor and founder of GradeInflation.com, GPAs only keep rising. At some colleges, Rojstaczer says, over 50% of the grades given are A's.
Trench warfare was caused by an advance in defensive weaponry. The machine gun was too heavy to be used as a mobile weapon, and therefore was placed into a fixed position. Barbed and concertina wire was also heavily used.
What diseases and illnesses were common in the trenches of World War 1? Common diseases and illnesses in the trenches were that there were many rats in the trenches, this gave the soldiers diseases. There was trench foot, which made their â¦ feet turn rot and swell up from the moisture.