original: dubai maintained its importance as a trade route through the 1970s and 1980s .
simplifications: dubai is important as a trade route through the 1970s and 1980s . dubai kept its importance as a trade route through the 1970s and 1980s . dubai maintained its importance as a trade route through the 1970s and 1980s . dubai maintained its importance as a trade route through the 1970s and 1980s . dubai maintained its trade route through the 1970s and 1980s . dubai was a very important trade route through the 1970s and 1980s . dubai held a repuation for their trade route through the 1970s and 1980s . dubai remained important as a trade route through the 1970 's and 1980 's .