Please hurry Why were rivers and channels most important for people's survival during the medieval period?
They provided natural barriers for protection
They transported goods and people for leisure,
Their waters were used to power steamboats,
Their waters allowed people to communicate,

they transported goods and people for leisure

Explanation:

if I'm worng im very srry

b.europe i believe because north america has 3 countries in a way and with all the stuff with illegal immagrants from mexico or whatever so i would say europe.

c. as a force against soviet invasion of afghanistan