Misc: fedora, bowler and boater are all types of what?

Questions

70s: became the capital of the reunited north and south vietnam.?

lord of the rings: what is the name of gandalf's horse?

lord of the rings: gandalf's elven name.?

lord of the rings: who had decieved the lord of rohan for a number of years?

lord of the rings: frodo is chosen to deliver the ring into the heart of what?