Final answer:
Option (B), The Spanish legacy in Texas is best described as the lasting impact of Spanish explorers who left behind a plethora of customs, cultural ideas, and colonial influences such as missions, Catholicism, and legal systems in the Southwest.
Step-by-step explanation:
Which of the following would best describe the Spanish legacy in Texas? The best description of the Spanish legacy in Texas is that Spanish explorers left many customs and cultural ideas in the southwest part of America. Spain's influence is evident in the architecture, language, and cultural practices of the region. The presence of Spanish missions, the spread of Catholicism, and the legacy of Spanish laws are all testament to the impact the Spanish had on Texas and the broader American Southwest.