However, only four councils entered into voluntary mergers in order to avoid potential forced amalgamations. The following is a partial list of IBM precursors, amalgamations, acquisitions and spinoffs. The modern London boroughs were primarily formed from amalgamations of Metropolitan, County and Municipal Boroughs. The options involved school amalgamations and closures. Ragan's and Schutz's regiments were hastily organised amalgamations of companies, all without uniforms. Various station names changes, following amalgamations between various Railway companies. Some of Puducherry's regions are themselves amalgamations of non-contiguous enclaves, often called "pockets" in India. The amalgamations of characters or the Amalgam versions of one character are given. Beca has had several name changes following amalgamations. Power lines and crumpled amalgamations of cars lay strewn across roads. Each state conducted an inquiry into the benefits of council amalgamations during the 1990s. Following a series of amalgamations the Belgian Guides ceased to exist in 2011. The amalgamations and transfers took effect from 2 April 1938. Its precise origin is difficult to pinpoint due to amalgamations. Explanations on the basis of the amalgamations are given wherever possible.