Though fracking is used worldwide to extract gas and oil, a fracking boom has occurred recently in the United States, partly driven by concerns over energy security and the costs associated with imported oil and other fossil fuels.
Early history. The Viennese Waltz, so called to distinguish it from the Waltz and the French Waltz, is the oldest of the current ballroom dances. It emerged in the second half of the 18th century from the German dance and the LÃ¤ndler in Austria and was both popular and subject to criticism.
VI, p. 839). The strictly linguistic line of exploration is echoed in the recent scholarly entertainment by Nicholas Slonimsky in his Lectionary of Music (NY: Anchor/Doubleday, 1989, pp. 376-377): Despite its name suggesting a Polish origin...the polka is a Bohemian dance in rapid 2/4 time. It originated in Prague about 1847 and almost immediately spread all over Europe. In this process it lost its specific Bohemian characteristics and became a popular salon dance.