▁highly ▁compet itive ▁dance , ▁while ▁the ▁American ▁t ango ▁evol ved ▁as ▁an ▁un jud ged ▁social ▁dance ▁with ▁an ▁emphas is ▁on ▁leading ▁and ▁following ▁skills . ▁This ▁has ▁led ▁to ▁some ▁principal ▁dist in ctions ▁in ▁basic ▁technique ▁and ▁style . ▁Nevertheless , ▁there ▁are ▁quite ▁a ▁few ▁compet itions ▁held ▁in ▁the ▁American ▁style , ▁and ▁of ▁course ▁mut ual ▁borrow ing ▁of ▁technique ▁and ▁dance ▁patterns ▁happens ▁all ▁the ▁time . ▁ ▁Ball room ▁tang os ▁use ▁different ▁music ▁and ▁sty ling ▁from ▁the ▁tang os ▁from ▁the ▁River ▁Pl ata ▁region ▁( U ruguay ▁and ▁Argentina ), ▁with ▁more ▁st acc ato ▁movements ▁and ▁the ▁characteristic ▁head ▁sn aps . ▁The ▁head ▁sn aps ▁are ▁totally ▁foreign ▁to ▁Argent ine ▁and ▁Uruguay an ▁t ango , ▁and ▁were ▁introduced ▁in ▁ 1 9 3 4 ▁under ▁the ▁influence ▁of ▁a ▁similar ▁movement ▁in ▁the ▁legs ▁and ▁feet ▁of ▁the ▁t ango ▁from ▁the ▁River ▁Pl ate , ▁and ▁the ▁the atr ical ▁movements ▁of ▁the ▁pas odo ble . ▁This ▁style ▁became ▁very ▁popular ▁in ▁Germany ▁and ▁was ▁soon ▁introduced ▁to ▁England . ▁The ▁movements ▁were ▁very ▁popular ▁with ▁spect ators , ▁but ▁not ▁with ▁competition ▁jud ges . ▁ ▁Finn ish ▁t ango ▁ ▁T ango ▁arrived ▁in ▁Finland ▁in ▁ 1 9 1 3 . ▁The ▁t ango ▁spread ▁from ▁the ▁dominant ▁urban ▁dance ▁form ▁to ▁become ▁h ug ely ▁popular ▁across ▁Finland ▁in ▁the ▁ 1 9 5 0 s ▁after ▁World ▁War ▁I