Answer:
difficult for the people in the western part of the South American continent because the area is filled with majorly mountains and rivers.
The western part of the South American continent
The western part of the South American container has countries like Peru and Ecuador.
These countries have far-reaching Andes Mountains and the massive Amazon River system covering most of their lands, making road construction limited and challenging to construct.
Without many interconnecting roads and rails, the physical landscape makes travel difficult for the people in the western part of the South American continent.
Hence, in this case, it is concluded that the correct answer is the major existence of mountains and rivers.
Explanation:
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