Synth-pop (1981), which produced a series of hit singles. These included "Don't You Want Me", which reached number one in the UK at the end of 1981. Synth-pop reached its commercial peak in the UK in the winter of 1981–2, with bands such as Orchestral Manoeuvres in the Dark, Japan, Ultravox, Soft Cell, Depeche Mode and even Kraftwerk, enjoying top ten hits. In early 1982 synthesizers were so dominant that the Musicians Union attempted to limit their use. By the end of 1982, these acts had been joined in the charts by synth-based singles from Thomas Dolby, Blancmange, and Tears for
Master and Servant Act issued verbal calls challenging an employer's hiring practices such as only using non-union workers. A revised Master and Servant Act was passed in 1867, which supposedly limited imprisonment to "aggravated" breaches of contract (where injury to persons or property was likely to result), but it was clear that only workers were subject to its provisions. Imprisonment, even for non-aggravated breaches of contract, continued when working people failed to comply with court orders for specific performance or for non-payment of monetary damages and fines. Between 1858 and 1875 on average 10,000 prosecutions a year took place under the Act in Britain.