In some cities of the USA, a 'curfew is imposed, in which teenager not allowed . They should go out with adults , in the night.In my opinion, I particularly agree this low, because small boys and girls walking alone in the street, it is dangerous her, his . To explanation, cities is have a many of cars and cars are very fast although, people's children is not allowed go out alone. For example, in the week there were many accidents and it is accident with babbies so it is awful condition.At all is we do not carefully . As a result, teenagers diead early due to an accident, and it is shocking.