The Third Battle of Panipat, waged in 1761, fought between the Marathas, led by Sadashivrao Bhau, and the Durranis of Afghanistan, commanded by Ahmed Shah Abdali, this battle not only altered the power dynamics within India but also set the stage for the ascendancy of the British in the subcontinent.

Key Factors Leading to the Battle:

1. Mughal Empire Weakness:

The decline of the once-mighty Mughal Empire created a power vacuum, with feeble emperors and a divided nobility, setting the stage for regional powers to assert their dominance.

2. Maratha Ambitions:

The Marathas, aspiring to extend their influence in the North, pledged support to the weakened Mughal emperor, forging a complex alliance that would have far-reaching consequences.

3. Durranis' Objectives:

Ahmed Shah Abdali harbored ambitions of capturing key territories—Kashmir, Multan, and Punjab. His alliance with the Turani faction of the nobility aligned with these expansionist goals.

Outcomes of the Battle:

1. Maratha Ambitions Quashed:

The Third Battle of Panipat shattered the Maratha dream of succeeding the Mughals as rulers of India. The Maratha army, led by Bhao Sahib, faced a devastating defeat at the hands of Ahmed Shah Durrani.

2. End of the Mughal Empire:

The battle marked the virtual end of the Mughal Empire, leaving behind a power vacuum and plunging north-western India into 40 years of anarchy.

3. British Opportunity:

The chaos resulting from the battle provided a window of opportunity for the British East India Company. It allowed them to maintain a low profile, consolidate gains in Bengal, and subsequently assert their supremacy in the subcontinent.

18th Century Dynamics:

1. Transition from Mughal Rule:

The 18th century witnessed a profound shift as the Mughal Empire gave way to regional powers, each aspiring to imperial status.

2. Social Movements and Political Entities:

Social movements, including the Bhakti Movement, and the rise of agrarian powers, contributed to the emergence of coherent political entities challenging the traditional order.

3. Religious and Political Overlaps:

Political alliances often blurred religious lines. The battle saw Abdali securing support from diverse quarters, including the Rohilla chief, the Nawab of Awadh, and warrior ascetics.

Impact:

1. Maratha Setback and Sikh Rise:

The Battle of Panipat dealt a blow to Maratha expansionist policies, while simultaneously contributing to the rise of the Sikh power in Punjab.

2. Fragility of Alliances:

The fragility of hastily conceived alliances and the overriding greed for immediate gains undermined any long-term balancing of imperial aspirations with local power dynamics.

3. British Ascendancy:

Temporarily halting the Maratha advance, the battle allowed the East India Company to consolidate and later make a strong bid for supremacy in the Indian subcontinent.