john f. kennedy became president of the united states in 1960 and was assassinated in dallas, texas, in 1963.
his niece, maria shriver, has worked as a tv journalist since the 1980s and wrote six books.
in 1986 she married the actor arnold schwarzenegger, who became governor of california in 2003.

빨간색 글씨 wrote가 맞나요?

등위접속사 and로 연결되었으니
has written이 되어야 하지 않나요?해석상으로도 6권을 써오고 있다.. 현재완료로는 안 되는 건가요 ㅠ