Answer:
During the battle, McClellan kept four divisions of soldiers in reserve and refused to use them to attack Lee's devastated army. McClellan was convinced that Lee was massing reserves for a counterattack.
Explanation:
When the light bulb industry becomes a competitive market, the price of the light bulb will decrease. This is due to the fact that the industry will no longer monopolize the production of light bulb, other competitors will bring their product to the market. Thus, this will result to competition which will bring the prices lower since consumers will opt to buy lower prices of the same product.