One of them was the invasion of Japan they instead dropped the atom bombs.
Answer: D. Punishment
Explanation: a team referee fining a coach for unsportmanlike conduct is using punishment as a deterrent measure. Punishment is a penalty to punish wrongdoing. It is any consequence that reduces the occurrence of a target behavior, in this regard, unsportmanship in the coach. Punishment could range from mild to severe and adverse with varying effects from the rate of response, to its subsequent elimination.
For the answer to the question above, the obstacles that an immigrant he/she might need to overcome are,
Leaving friends
Leaving family members
Embracing new Religion especially if you are migrating to Eastern Country or where the majority's religion is Muslim.
Finding the way around the city
and maybe learning the new language because you don't know if the stranger is already mad at you if you don't understand what is he talking about.
The correct answer is the reasoning