Answer:
It gave the US citizens the right to vote
Explanation:
The 15th amendment expands the "Blessings of Liberty" to more of the United States' population by stipulating that the right of citizens of the United States to vote shall not be rejected or curtailed by the United States government at all level based on race, color, or their history of servitude.
Similarly, the 19th amendment expands the "Blessings of Liberty" to more of the United States' population by declaring that the right of citizens of the United States to vote shall not be rejected or reduced by the United States government at all levels based on gender.
Also, the 26th amendment expands the "Blessings of Liberty" to more of the United States' population by stating that the right of citizens of the United States, who are eighteen years of age or older, and eligible to vote shall not be rejected or lessened by the United States government at all levels based on age.