British construction of railways in Punjab facilitated:

The correct answer is: d) All of the above

The British construction of railways in Punjab facilitated trade and economic development, military movement, and the spread of Western ideas.

• Trade and economic development: The railways made it easier to transport goods and people, which led to increased trade and economic development in Punjab.
• Military movement: The railways made it easier for the British to move troops and supplies around Punjab, which helped them to maintain control of the region.
• Spread of Western ideas: The railways brought people from different parts of Punjab together, which helped to spread Western ideas and culture.

The construction of railways in Punjab had a significant impact on the region. It helped to improve trade and economic development, facilitate military movement, and spread Western ideas.