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.
Causes of the War of 1812. At the outset of the 19th century, Great Britain was locked in a long and bitter conflict with Napoleon Bonaparteâs France. In an attempt to cut off supplies from reaching the enemy, both sides attempted to block the United States from trading with the other.