Why is the archaeological source more reliable than the written sources?

It is now generally agreed that the archaeological source is mc important compared to the literary source.

First, archaeological remains are the true representation of the life of the ancient people second, archaeological source is free from interpolation, while there may be exaggeration in the literary texts, particularly the biographies.

Third, archaeological sources bear testimony to the cultural performance of the ancient people. Fourth, it is also possible to determine the dates of the material remains by scientific method.

Unless mentioned it is not possible to ascertain directly any date from literary sources.

Fifth, archaeological source also points to the economic condition of the ancient people. For coins made of precious metals are indicative of the wealth of the respective people.