Réponse :
:At that time , you could travel by train because , Trains were invented in 1830's.
:At that time , you couldn't travel by planes because , they were invented in the 1930's.
:At that time , you could travel short distances by bicycles , because there were invented in the 1860's.
:At that time , no one could wear bikinis because there were invented in 1946.
:At that time , no one could use mobile phones because there invented in 1977
Explications :
IDOT !!!
C une blague :)