The British introduced changes to Manipur’s economy, including:

Expansion of cash crops
Construction of railways
Promotion of textile industries
All of the above

The correct answer is: d) All of the above.

The British introduced a number of changes to Manipur’s economy in the 19th century. These included the expansion of cash crops, such as tea and cotton, the construction of railways, and the promotion of textile industries.

The expansion of cash crops was a major change to Manipur’s economy. The British encouraged the cultivation of cash crops, such as tea and cotton, in order to increase their profits. This led to a change in the way that land was used, as more land was used for cash crops and less land was used for subsistence farming.

The construction of railways was another major change to Manipur’s economy. The British built railways in order to transport goods and people more easily. This led to an increase in trade and commerce, and it also made it easier for people to travel around the country.

The promotion of textile industries was another change to Manipur’s economy. The British encouraged the production of textiles, such as cotton cloth, in order to increase their profits. This led to the development of a new industry in Manipur, and it also created jobs for many people.

Overall, the British introduced a number of changes to Manipur’s economy in the 19th century. These changes had a significant impact on the way that the economy worked, and they also had a social and cultural impact on the people of Manipur.