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.
waltz. romantic dance in moderate triple time. It evolved from the German Laendler lÃ¤ndler and became popular in the 18th. Cent the dance is, smooth, graceful and vital in. performancealtz. a dance for couples based on a smooth circling combined with a forward movement. The waltz is accompanied by music with a 3/4 measure (more rarely 3/8 or 6/8) and a moderately fast tempo.