The correct answer is option 'D', Rama Raya led the army into battle at Rakshasi-Tangadi. Rama Raya was a powerful and influential king during the Vijayanagara Empire in South India.

The Battle of Rakshasi-Tangadi:

The Battle of Rakshasi-Tangadi was a significant military conflict that took place in the 16th century. It was fought between the Vijayanagara Empire and the combined forces of the Bijapur Sultanate and the Ahmednagar Sultanate. The battle occurred near the town of Rakshasi-Tangadi, which is located in present-day Karnataka, India.

Rama Raya's Leadership:

Rama Raya, also known as Rama Raja or Ramaraya, was one of the most prominent figures during the Vijayanagara Empire. He served as the regent (prime minister) of the empire and held immense power and influence. Rama Raya was known for his military prowess and strategic capabilities.

During the Battle of Rakshasi-Tangadi, Rama Raya led the Vijayanagara army into battle against the combined forces of Bijapur and Ahmednagar. As the regent, he was responsible for the defense and protection of the Vijayanagara Empire. Rama Raya commanded his troops and devised strategies to counter the enemy forces.

Outcome of the Battle:

The Battle of Rakshasi-Tangadi resulted in a major victory for the Vijayanagara Empire. Rama Raya's leadership and military tactics played a crucial role in securing this triumph. The Vijayanagara army successfully repelled the attacks of the Bijapur and Ahmednagar forces, inflicting heavy casualties on the enemy side.

This victory further solidified the position of the Vijayanagara Empire in the region and ensured its continued dominance. However, it is important to note that the empire faced subsequent challenges and eventually declined due to various factors, such as internal conflicts, external invasions, and political instability.

In conclusion, Rama Raya, as the regent of the Vijayanagara Empire, led the army into battle at Rakshasi-Tangadi. His leadership and strategic capabilities were instrumental in securing a significant victory for the empire.