Africans was exhausted all options in responding to European imperialism. Some groups tried to shut down Europeans by not trading with them and not allowing missionaries to stay with them.
Quality control is a process of making certain that every single product is identical...size, shape, color, packaging, weight, taste, etc..meeting pre-determined standards. It is necessary for the buyer to know that, for example, M&Ms purchased in Poland will not differ from those purchased in Alabama.
Because the payment is monthly and They're the kids the adult decided not to take care of. Just my opinion