The provides recruits with a controlled, militarized environment in which they are taught the laws of search, seizure, arrest, and interrogation; the procedures for securing a crime scene and interviewing witnesses; first aid; self-defense; and other such essentials.

Police academy.

Explanation:

As the exercise develops, the police academy provides recruits with a controlled, militarized environment in which they are taught the laws of search, seizure, arrest, and interrogation; the procedures for securing a crime scene and interviewing witnesses; first aid; self-defense; and other such essentials. They prepare the recruits for their roles as police officers dependind their context and previous studies who require, at least, a high school diploma.

the answer is d. amendments.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )