The answer is b. Hope this helps
Answer:
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.
Answer:
Answer is Option C: Since World War II, conflicts have become more complicated and less successful.
Explanation:
According to the containment policy by USA communism would be kept at bay and to do this there was an increase of US military bases throughout the world.
But military conflicts became more complicated than before.They are more political now. Example of such wars is Korean and Vietnam war. Also, as we see in today's world, the war on terror in middle east and Africa is still going on. So, military interventions as part of foreign policy `are proving to be less successful.
