The Qin State was able to come out victorious in the Warring States Period and defeat other major powers due to various factors. This article will analyze the Qin State from multiple perspectives, including politics, military, economy, and culture. Firstly, politically, the Qin State's unity was the foundation of its strength. Although the Qin State experienced numerous internal conflicts and political unrest during the Warring States Period, it ultimately maintained a basic unity. In contrast, other major powers frequently fell into internal strife and division, making it difficult for them to form a powerful coalition to oppose the Qin State.

Secondly, in terms of military strength, the Qin State also had a solid guarantee for its victory. The Qin State boasted powerful armies and outstanding generals, capable of carrying out large-scale campaigns and conquering territories. In wars, the Qin State adopted clever strategies, such as the "distant alliance and nearby attack" strategy, which involved forming alliances with distant powers to ease its own pressure.

Thirdly, economically, the Qin State's strength was also an important factor in its victory. Gradually, the Qin State developed its economic strength during the Warring States Period, carrying out extensive infrastructure construction, such as building irrigation projects and strengthening transportation networks. These measures not only promoted the economic development of the Qin State itself but also provided sufficient material support for its military operations.

Fourthly, cultural unity was also a significant reason for the Qin State's victory. During the Warring States Period, the Qin State gradually formed its own cultural characteristics, such as Legalism, Military Strategy, and Mohism. These ideologies provided strong support for the political, military, and cultural development of the Qin State. In contrast, other major powers frequently fell into internal strife and division, making it difficult for them to form a powerful coalition to oppose the Qin State.

Therefore, the "Big Three" powers of the Warring States Period ultimately lost to the Qin State due to the Qin State's overwhelming strength in politics, military, economy, and culture.

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