they used cement and made the worlds largest incan road system
The Incas built their buildings/houses with bricks or stones.
Incas have a democratic government
The Incas are on a high mountain that they build their crops on. It helps them because the attackers would have to climb up the side and that would give them an advantage to prepare themselves or escape.
Rope
Yes
Rope
o6yhj
yes.
birds
terraces
they really did build the bridge
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They had to build a system of roads.