Some of the best European poker websites took advantage of the situation and started to offer online poker for USA players, determined to build a solid player base in North America, so even the most experienced poker players from the United States need to check whether they can open gambling accounts at certain poker rooms. Up until recently, the number of poker sites for us players was constantly increasing, but after the FBI decided to shut down some of the biggest us poker sites, poker enthusiasts from this part of the world found themselves in a real problem. Online gambling in the United States have always been surrounded by the air of controversy, with everyone debating whether US residents should be allowed to take part in internet gambling.