Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово CHANGE так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Since then, the tradition ______ . Nowadays, on Memorial Day Americans honor not only soldiers who perished in wars but those loved ones who have died.