What's weird is that my ads were approved and active for like a week. Then I received this email an hour ago:
We've noticed that you are currently running Facebook Ads that violate our Advertising Guidelines or Terms of Use.
We found that the content advertised by this account is prohibited. We reserve the right to determine what advertising we accept, and we may choose to not accept ads containing or relating to certain products or services. We do not allow ads for gambling and will not allow further creation of such ads.
Please delete any ads that violate these policies within 48 hours to bring your account into compliance with Facebook policies. Also , please ensure that such ads are not created in the future. Continuing to run ads that violate our policies may result in additional action being taken on your account, including possible termination.