Because there wasn't enough water or rain to grow certain type of crops that require a certain amount of water that they did not have.
Answer:
This system is known as Federalism.
Explanation:
This is a system of government in which power to govern is shared between the state government and national government, with state government flexing those powers without the interference of the national government.
Its concept represents a solution to functional problems within the issues of confederation which has failed to grant several notable powers to the national government.
I guess the answer is letter c
The 7 natures of the Nigerian economy are Agriculture, Oil, Services, Transport, Tourism, Mining, and Energy.