Michigan city (7)
'michigan city' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for detroit that I've seen before include "Michigan car city" , "City in Michigan nicknamed Motown" , "Major Great Lake port" , "US city associated with automobile production" , "Where cars are made" .)
'michigan city' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Another definition for lansing that I've seen is " US city".)
(Other definitions for troy that I've seen before include "Besieged city which fell to Wooden Horse" , "System of weights introduced by French" , "Ancient city besieged to free beautiful Helen" , "Priam's city" , "Ancient city associated with a wooden horse" .)