Fundamentally, Lady Macbeth fears Macbeth's sense of honor in preventing him from killing Duncan. She discloses her desire for power and in doing so, the reader/ audience understands how Macbeth is not comfortable in doing what is being asked of him.
Who invented the first car? The first car invented and built in 1885 and unveiled in 1886 by Karl Benz. The first car, Benz Patent Motorwagen, is the first car ever made in history powered by gasoline with an engine motorized by an internal combustion.
Other scholars say that the first American car is generally considered to be the Duryea automobile built by the Duryea Motor Wagon Company which was first demonstrated in Massachusetts in 1893 (pictured above).