Explanation: West Bengal is a state in eastern India, known for its rich cultural heritage, diverse geography, and significant economic activities. The state shares its borders with several Indian states, including Bihar, Jharkhand, Odisha, and Assam. Additionally, West Bengal has an international border with Bangladesh, which is the eastern neighbor of the state.
Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is bordered by India to the west, north, and east; Myanmar to the southeast; and the Bay of Bengal to the south. The border between West Bengal and Bangladesh is a significant geographical feature, as it is one of the longest international borders in India. This border is not only a geographical boundary but also a cultural and economic link between the two regions.
The international border between West Bengal and Bangladesh is crucial for several reasons:
1. **Trade and Commerce**: The border facilitates trade and commerce between the two regions, with various goods and services exchanged across the border.
2. **Cultural Exchange**: The border regions share a rich cultural heritage, and the border allows for the exchange of cultural practices, languages, and traditions.
3. **Political Relations**: The border is a point of interaction for political relations between India and Bangladesh, including issues related to border security, immigration, and diplomatic relations.
It is important to note that while West Bengal shares borders with several Indian states, the international border with Bangladesh is a unique geographical feature that distinguishes it from other states in India. Understanding the geographical layout of West Bengal and its international borders is essential for comprehending the state's role in regional and international relations.
In summary, the correct answer is Bangladesh, as it is the country that shares an international border with West Bengal to the east. This border is significant for trade, cultural exchange, and political relations between the two regions.