Savarkar's definition of Hindu Rashtra was comprehensive, encompassing cultural, racial, and religious dimensions. He argued that a shared history, common culture, and common bloodline were essential components that unified the Hindu people. His ideology sought to create a national identity based on these collective markers, distinguishing the Hindu nation from others through these specific socio-cultural and historical bonds.

The source identifies 'Republic philosophy' as the answer, though historical analysis often highlights Romanticism as the primary driver of German national identity. This answer is provided as requested, but users should note that academic consensus frequently emphasizes the role of Romantic nationalism in 19th-century German thought.

The Napoleonic invasion of German lands acted as a catalyst for German Romanticism to shift from purely aesthetic or philosophical concerns toward a more concrete political consciousness. Prior to this, the lack of a unified German state and the dominance of Enlightenment rationalism meant that Romantic thinkers had not yet developed a distinct political philosophy centered on the German nation-state and its unique cultural identity.

Johann Gottlieb Fichte, in his development of German Idealism, emphasized the role of the state in fostering the moral development of the individual. He argued that the individual's freedom and identity are inextricably linked to the community, thereby laying early groundwork for the organic conception of the state where the parts and the whole are mutually dependent.

Johann Gottlieb Fichte, in his political writings, explored the concept of a state-based international order. While the specific 'league to enforce peace' is often associated with later liberal internationalist thought, Fichte's work on the 'Closed Commercial State' and his theories on nationalism and state relations contributed to the intellectual discourse regarding international security and the potential for organized global governance structures.

Vinayak Damodar Savarkar is credited with formalizing the concept of 'Hindutva' and the vision of a 'Hindu Rashtra' in his seminal work published in 1923. He defined the Indian nation primarily through cultural and religious identity, distinguishing it from the secular definitions prevalent in the nationalist movement at the time. His writings provided the foundational ideological framework for various Hindu nationalist organizations in India.

Hans Kohn was a prominent historian and scholar of nationalism. His seminal work, 'The Idea of Nationalism: A Study in Its Origins and Background', published in 1944, remains a foundational text in the study of nationalist movements and ideologies. It explores the historical development of nationalism as a modern political phenomenon, distinguishing between Western and Eastern forms of national identity.

Swami Vivekananda's vision of nationalism was deeply spiritual and social. He believed that the strength of India lay in the unity of its people, the eradication of divisive caste hierarchies, and the mobilization of the youth. By fostering a sense of national pride and self-reliance among the younger generation, he aimed to awaken the collective consciousness of the nation to achieve social and political rejuvenation.

The development of the German nation-state in the 19th century was frequently compared to the historical trajectory of the French nation. Both nations underwent processes of centralization and cultural consolidation. The comparison highlights the shared European experience of transitioning from fragmented territories into a unified national identity, with France often serving as the primary model for state-building and national consciousness in the continental European context.