U heellan xakamaynta tayada adag iyo adeegga macaamiisha ee fekerka leh, xubnaha shaqaalahayaga khibradda leh ayaa had iyo jeer diyaar u ah inay ka hadlaan shuruudahaaga oo ay hubiyaan qanacsanaanta macaamilka.
Alaabadayada waxaa sidoo kale loo dhoofiyaa macaamiisha wadamada iyo gobollada sida Oceania, Galbeedka Yurub, Afrika iyo Waqooyiga Ameerika.