Final answer:
The United States has struggled to live up to the Declaration of Independence's ideals, particularly concerning the ingrained inequality that persisted, such as slavery and racial segregation, which contradicted the belief in natural rights and equality.
Step-by-step explanation:
Challenges in Upholding the Declaration of Independence's Ideals
One significant challenge the United States has faced in living up to the Declaration of Independence's proclamation that "all men are created equal" is the historical inequality that has persisted despite the nation's foundational belief in universal natural rights. This contradiction is evident in the institution of slavery, which was legally practiced for nearly a century after the Declaration was ratified. Despite an equality of rights being espoused as self-evident, the reality was that these rights were not extended to all individuals. From the late 18th century through the 19th century, and even beyond, systemic inequality manifested in the form of racial segregation, gender discrimination, and economic disparities. This continued struggle highlights a gap between the belief in universal rights and the actual experiences of many people in the United States.