It is not wagon trains. Groups of covered wagons are called prairie schooners. But we can also call it wagon trains, I guess.
They are trains that people take to and from work or school every day. They are sometimes called commuter trains.
The metal that trains travel on is called railway or railroad track. It consists of two parallel steel rails laid on wooden or concrete ties, providing a surface for trains to travel on.
They are called Hijackers
A Dance Instructor or Dance Teacher trains people how to dance.
Someone who trains gladiators is called a "lanista". He could also own them.
A horn
They are called Engineers.
They are called steam trains because they are pulled by steam engines.
It is believed that the Chinese first invented lanterns.So it is called Chinese lantern.
A wolf trainer.
Yes, bullet trains have wheels. They run on rails, just as conventional railroad locomotives and cars do. The trains that operate by magnetic levitation, the so-called MagLev trains, do not have wheels as they ride on a magnetic cushion.