The author visited four countries или The author has visited four countries

Question

The author visited four countries или The author has visited four countries

Answer 1

The author visited four countries.

Comments

Так как действие совершено и закончено в прошлом, и не имеет видимых результатов в настоящем.

Answer 2

"The author has visited four countries" is correct because you are stating a fact.

You need to use the perfect tenses when talking about a past event which continues to the time being described.

Comments

Sorry I meant The asuthor visited for countries is correct