 As of 1990 many Iranians do shopping and eat out later than non-Iranians, so many businesses in the Los Angeles area extended their hours to accommodate Iranian customers.Culture shock affected many Iranian families shortly after they arrived in the United States, partly because Iranian men who were accustomed to being the breadwinners and authorities in their households found their power diminished.Initially many Iranian families practiced arranged marriages but by 1990 the practice was declining.