Concept:Trade fairs are large exhibitions where businesses display and sell their products.
They are usually organised by business associations that promote trade and industry.
Explanation:In Nigeria, trade fairs are not directly organised by the government or a single ministry.
Instead, they are arranged by business networks known as Chambers of Commerce.
For example, the Lagos Chamber of Commerce and Industry (LCCI) is well known for organising trade fairs.
These chambers support businesses by providing networking and exhibition opportunities.
Therefore, the organiser of trade fairs in Nigeria is the Chambers of Commerce.
Answer:D. Chambers of Commerce