Which amendments lead to the significants of the structural change in America?

Significant structural changes in America can be attributed to several key amendments. The 13th Amendment abolished slavery, fundamentally transforming social and economic systems. The 14th Amendment granted citizenship and equal protection under the law to all persons born or naturalized in the U.S., reshaping civil rights. Lastly, the 19th Amendment extended voting rights to women, further altering the political landscape and promoting gender equality. Together, these amendments significantly redefined American society and governance.