Do you think that the dairy Industry is an example of purely competitive market?

Normally purely competitive markets are luxuries. Dairy is necessary for children and adults to get their daily calcium and vitamin d (among other things). In the current market, families can choose vegan, vegetarian, or non-lactose choices for milk, ice cream, etc.

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful