Final answer:
Corn is the correct answer to the question as it was not introduced by the Spanish during their exploration and colonization but was already being cultivated by indigenous peoples.
Step-by-step explanation:
During the Spanish exploration and colonization, corn was not introduced to the Texas area and did not eventually impact the Texas culture; therefore, the correct answer is D) Corn. When Europeans, including the Spanish, arrived in the Americas, they introduced many new items and species to the New World. Among these were horses and cattle, which transformed the landscape and the way of life, particularly affecting areas like Texas. Horses facilitated transportation and cattle ranching became a significant aspect of the local economy, influencing culture and practices. Additionally, the Spaniards brought deadly diseases like smallpox, which had catastrophic effects on the native