In 2-3 complete sentences, explain how the Inca were able to grow such a wide variety of crops in high altitudes. Use the "RAP" method to answer this short-answer question:
• Restate the question
• Answer the question
• Prove your answer by citing textual evidence from the course.
Don't forget to use complete sentences and proofread your answer.

These crops were grown in the high-altitude Andes by building terraced farms that allowed farmers to utilize the mineral-rich mountain soil. The quick change in altitude on these mountain farms also utilized the micro-climates of each terrace to grow a wider range of crops.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.