Answer:
In World War I, hand grenades were also known as “hand bombs.” The general philosophy for their use in the fighting armies was that grenades could kill the enemy underground or behind cover. ... Offensive grenades used concussion, or shock-waves, to wound, while defensive grenades exploded, scattering shell fragments.
Explanation:
The kind of question that you just made is described or
considered to be an open ended question. This type of question are usually
trying to ask for answers that are more knowledgeable and more meaningful in a
sense that it doesn’t have to be a short or reply but a more detailed or longer
one.
I believe the answer would be C. (Along China's east coast due to the fertile soil found along the Yellow River and the Yangtzi River)