Answer:
To protects persons against self-incrimination.
Step-by-step explanation:
The key principle of Fifth Amendment is to protects persons against self-incrimination. The property taken for public use only if it is not belongs to that person legally. If the property earn by any person illegally, then this property belongs to government and the government has the right to use it for public use while if the property belongs to that person legally then the government has to purchase that property from the owner of that property according to Fifth Amendment of Constitution. So Fifth Amendment of Constitution provides safety to people's property.