A train is a whole unit that comprises of many cargo cars and from one to four engines. Thus the question has no merit since it is asking about the strength of the entire unit when it should be asking about the "strength" of the train engines themselves which are responsible for towing these cargo cars down the tracks.
No it in its genes to be strong
Train
it depends how you train it,you choice.
he is when you train it really much
Buy a cheetah.
You can't find "strong Pokemon". If you want a Pokemon to be strong, you need to train it.
You train it and fight with it and make it strong!
strong hold of sercurity
it depends.if you train it well, he will be strong.
the best pokemon is reshiram
the elite 4 Have Fun!
I'll give you options charmander he takes a long time to train but is strong bulbosah he is easy to train but his moves aren't the best squirtle hes my choice because hes in the middle easy to train and rather strong