The statement that correctly discusses the obstacles faced by some groups in achieving their rights in Texas is:
While the Reconstruction Amendments guaranteed equal rights in the U.S., obstacles to voting and education were used to limit the use of those rights.
This statement accurately reflects the historical context in which, despite the legal guarantees of equality through the Reconstruction Amendments, various systemic barriers such as voter suppression tactics and educational inequalities continued to hinder the rights and opportunities for African Americans and other marginalized groups.