Concept:The Oil River Protectorate was a British colonial territory in the Niger Delta area, created to protect British trade interests.
Explanation:The British government established the Oil River Protectorate in 1885.
This was after the Berlin Conference, when European powers recognised British claims over the region.
The protectorate was set up to secure the profitable palm oil trade along the Niger Delta rivers.
In 1893, it was renamed the Niger Coast Protectorate.
Later, in 1900, it was merged into the larger British territories that became Nigeria.
Therefore, among the options given, the correct founding year is 1885.
Answer:A. 1885