With the burgeoning Muslim population in North America by the late 1980s , numerous missionary outlets saw an opportunity to receive financing for their missionary work from various Saudi-based religious foundations as well as influential private Saudi citizens . This phenomenon , which flourished for much of the decade of the 1990s , came to an abrupt end following the events of the September 11 attacks . Some of the works undertaken at the time included : With the increasing population of Muslims in North America , a number of specialist missionaries have emerged , focusing primarily on missionary work in North America . The more well-known of these Muslim missionaries include : With the power asserted by the celebrity culture of North America , the presence of several high-profile Muslim converts in the sports and arts celebrity scene has resulted in unintended but significant missionary consequences
September 11 attacks
September 11 attacks
Islamic missionary activity