Usually, casinos require that a player signs up and makes some deposit before they (casinos) can release a bonus into the player's account. However, it's difficult for players to entrust casinos they don't know well with money. To allay any doubts, some casinos offer what is called sign-up bonuses, which players can claim once they just register.
Afghanistan is a country in South Asia. Fun facts about this country are that the first oil paintings were drawn in caves in 650BC and this country has been in the news more times than any country in the past decade. It is strictly forbidden by Shari'ah law to engage in any forms of gambling.