D: A group of misguided British workers who between 1811 and 1816 rioted and destroyed labor saving textile machinery in the belief that such machinery would diminish employment.

More generally, a luddite is anyone who opposes technical or technological change.

There are still those who believe that technology causes unemployment. While in the 17th century this may have seemed the case, it is just not an intelligent view in the 21st century. If we examine all the so called 'labor-saving devices' which have become commonly used over the last 200 years, almost none of the jobs which were done 200 years ago are still done. In spite of this we do not have an unemployment rate of 99 percent. The economy shifted, adjusted, other things became economically feasible, and jobs were created in other areas.