if the price on item is cheap and it looks like something they need or want, they will probably buy it. its like if you see a pack of 20 cookies for 1 or 2 dollars, the customer would probably purchase those cookies because they are cheap and something they could try out. another reason for people buying items could be that that item is a necessity. if they need a router for internet connection, they will go and buy it. or if they need a new phone because their old one broke down, most probably they will make that purchase. another reason could be that they just want to buy something for fun. if a person wants to play video games they might go to best buy and buy a ps4.
yes, because one system would have to much power and be able to have full control and do whatever they want. this would lead to corruption and tyranny.
it is d: the coast of lebanon