What is one of the major barriers to travel in the congo region?
a. long mountain ranges
c. the massive rain forest
b. the congo river
d. the barren congo desert

The massive rain forest is one of the major barriers to travel in the Congo region. The correct option among all the options that are given in the question is option "c". This rain forest is very dense in some places and it is almost impossible to pass through it. I hope the answer helps you.

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;