Why did George Washington Carver think using alternative crops to cotton was a good idea? There was a cotton shortage. Using alternative crops would help keep the soil healthy. Alternative crops were cheaper. He preferred peanuts over sweet potatoes.

Using alternative crops would help keep the soil healthy.

Explanation:

George Washington Carver who lived between 1860s to 1943 was an American agricultural scientist, and popularly known for his advocacy for alternative crops to cotton and methods to prevent soil depletion. He was considered as one of the foremost black scientist of the early 20th century

In his attempts to improve depleted soils for agricultural purpose, Carver developed techniques that involved farmers to grow other crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life.

Hence, George Washington Carver think using alternative crops to cotton would help keep the soil healthy.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.