In the statements given below, since the activity is happening in the past, I thought past perfect tense would be used, but 'have/has' feels more natural to me. Please clarify the usage of has/have and had in the given context
During the 18th century, Indian culture had started to show signs of exhaustion. During this time, artists have maintained their artform's cultural continuity, and even local traditions have continued to evolve, but the culture as a whole has remained traditionalist.
During the 18th century, Indian culture had started to show signs of exhaustion. During this time, artists had maintained their artform's cultural continuity, and even local traditions had continued to evolve, but the culture as a whole had remained traditionalist.
P.S: I tried to find a similar question on the forum but to no avail, if there exists a similar solved question please provide me with the link, so that I can delete this question asap.
Edit: I tested both these statements using a grammar checker, both statements were showing no errors this is even more confusing to me.