Heyy i spoke on this topic last year for my u can start by saying what is actually travel n tourism i.e to migrate for a special purpose in a short duration of has become a popular and global leisure activity which has significantly raised the economy over previous plays a significant role in raising the economy as well as early decades,people travelled distant parts of the world for religious matters but its was during the industrial civilisation when travelling became a leisure activity which was known as th 'Grand Tour' by the europeans...and as the time passed by travelling became a necessary thing for business trade and commerce