Final answer:
The Declaration of Independence secures individuals' unalienable rights, which include Life, Liberty, and the Pursuit of Happiness. Among the given options, liberty is one of those explicitly mentioned rights.
Step-by-step explanation:
The Declaration of Independence, drafted by Thomas Jefferson, explains the role of government in securing each individual's unalienable rights. According to the Declaration, the rights that are inherent and cannot be taken away include Life, Liberty, and the Pursuit of Happiness.
Among the options provided, liberty is one of the rights that the Declaration of Independence specifically aims to protect.