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.
How did the Civil War cause problems to some families? The US Civil War is often called The Brothers War. Families were torn asunder by differing viewpoints leading to the war, namely states rights and slavery. This caused the menâ¦ to fight in armies on opposite sides of the arguments and it caused deeper wounds than any physical wound a bullet or bayonet could inflict.