Answer:
The Incas were magnificent engineers. They built a system of roads and bridges across the roughest terrains of the Andes. Through their system of collective labor and the most advanced centralized economy, the Incas were able to secure unlimited manual labor.
A widely held but fixed and oversimplified image or idea of a particular type of person or thing.
<span>Swing states are considered crucial to election success because the voters are not firmly in the democratic or republican column.
</span>The key for either party to win the presidential election is to target specific battleground states.And these specific battleground states are called swing states.
The road that was built to serve the railroads was Cheyenne