A) agriculture because i saw cotton gin and knew it immediately
During the World War II, the Battle of Midway was significant because it was a turning point in the Pacific theater thought the Second World War and ended the threat of further invasion of Japan in the Pacific. ... The battle was the first major victory of allies and it make them offensive as well.
Although opportunity cost is definitely important, it is hard to put a "price" on the opportunity in many cases, which makes it unmeasurable. This is why economists focus almost exclusively on price.
Southern Christian Leadership Conference
Answer:
airplanes, farming
Explanation:
At the time of war, particularly world war 1 and 2 the airplane industries developed at a greater pace because some of the powerful warring nations develop airplanes that have greater speed and higher elevation for fighting their opponents during the war.
Similarly, there is an increase in the level of growth in farming industries, as there is a need to use fewer labor supplies to provide food for the countries fighting wars, including their soldiers, by exploring new preservation techniques as well.