The answer is : Reduce labor costs
Answer: John Muir
Explanation:
Because of his influential writings and role in the creation of multiple parks, he is often called "The Father of Our National Park System." John Muir also co-founded the Sierra Club in 1892 and was its first president until his death in 1914
Corn accounted for the size and sophistication of the Native American civilizations in Mexico and South America by molding the Pueblo culture in terms of its technology and development. This includes the development of irrigation systems in order to water their corn fields.
