Inca modifies their environment to build and support the city of Cuzco by building irrigation systems to improve their agriculture and making stone roads for transportation and trade, They built stone bridges and cleared large areas for grazing animals.
Cuzco was the religious and administrative capital of the Inca Empire, which expanded in ancient Peru between 1400 and 1534 CE.
The Incas commanded territory from Quito to Santiago, making theirs the largest empire was ever seen in the Americas and the most sizable in the world at that time
They built stone bridges and cleared large areas for grazing animals, also built irrigation systems to improve their agriculture, and made stone roads for transportation and trade.
Grazing is a method of animal cultivation in which internal cows are allowed to eat natural vegetation outside in order to convert grass and other forages.
The grass and other forages are converted into meat, milk, wool, and other animal products, frequently on terrain that is unfit for cultivable farming.
Therefore, options A and D are correct.
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