Historically it has always been to get rid of the disagreement itself. This would be by imprisonment, torture, and mass murder. It could also be trickier, such as controlling the media, education system, and political arena and simply claim that there is no opposition, which I am sure people have noticed of late regarding science and economics.
Although there were many problems faced by the unions in the United States during this time, a major one was a lack of bargaining power. This changed as they recruited more people.
Answer:
Sir Robert Walpole............
Because they did not have phones