The correct answer is knowing the ways that humans use Earth's natural resources.
The ancient settlers of the Andean region, at the foot of the Andes Mountains developed extraordinary irrigation and cultivation systems on the hillsides. The crops were deployed in the form of steps on the hillside making productive all the resources provided by nature and adding technology for its efficient and effective use.
The current farmers use some of the techniques and customs inherited from the original peoples and add the most modern technologies to further increase the productivity of the lands and contribute positively to the economy of their regions.
It is a common feature in the diverse cultures of humanity to adapt to the geographical characteristics of the region where they live solving the difficulties through ingenuity and hard work.
The imaginary line of secrecy and mistrust is called the iron curtain.
<u>The period in which the greatest economic or technological progress that occurred in the United States was between the end of the 19th century and the first half of the 20th century</u>. <u><em>During this period, the country went from being a simple agricultural economy to the first industrial power in the land</em></u>.
<u>It was in the second half of the nineteenth century when the first manufactures were created with imports of skilled foreign labor from England.</u>
<em><u>The answer is</u></em>: <u>A. Britain supplied a market for American manufactured goods</u>.
Answer:
A. Hills
Explanation:
Boston was expanded my leveling their hills and using the soils to fill marshes and wetlands, effectively making new land.
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