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.
Actually, Elwood Haynes built the first automobile made in the United States. It was first driven in 1894, two years before the Quadicycle. Duryea's automobile was a horse drawn carriage adapted to use an internal combustion engine but still could be horse drawn. Haynes car was built as an automobile from the ground up.