    Sentence fo what year did BankAmericard change its name?    Sentenee ifter a troubled crstation during whieh its ervator  resigned, BarkAmericard vant on te become the first sucessful  endit   card; that is, irareial sstrument that was usable aeross a large:  pumber of merehants dnd also allowed eardholders to revelve: a  alone (earlier financial produets ould do er: or the: ether but  ret beth).