﴿ فَأَتْبَعَ سَبَبًا ﴾

“and so he chose the right means [in whatever he did].”

Verse 85: فَأَتْبَعَ سَبَبًا So he followed a way) means that - though, the material means related to everything, even those that would facilitate his access to every region of the world - however, the first thing he did was to use his means to travel in the direction of the West.