Advantages of off-seasonal vegetable?

The vegetable which can be grown in any season using technology is an off-season vegetable. For example, onion can be grown anytime. The main advantage of off-season vegetables is to ensure food security during the scarce period to promote seasonal employment and to ensure high price for farmers.

Explanation:

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

i am sure the answer is d