Read the sentence below about the Chicago fire of 1871. The city of Chicago was restored quickly after the fire.

Which revision is the best example of adding concrete detail?

The city of Chicago was restored after the fire of 1871, as many structures were rebuilt at a rapid pace.
Almost 2,000 wood and brick buildings were rebuilt some time after the fire with the help of the residents of Chicago.
Following the Chicago fire, people worked extremely hard to rebuild as quickly as possible, and they were successful.
Almost 2,000 wood-frame buildings and 500 brick structures were near completion by the end of 1871, after the Chicago fire