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

  frederick douglass wanted freedom for all slaves, but captain canot wanted slavery. frederick douglass devoted the bulk of his time, immense talent, and boundless energy to ending slavery and gaining equal rights for african americans. these were the central concerns of his long reform career. douglass understood that the struggle for emancipation and equality demanded forceful, persistent, and unyielding agitation.                                                  after douglass escaped, he wanted to promote freedom for all slaves. he published a newspaper in rochester, new york, called the north star. it got its name because slaves escaping at night followed the north star in the sky to freedom. estimates that there are 27 million men, women and children living as slaves today – “more than at any other time in history.” of all the organizations pursuing justice – working to free those slaves and prosecute their captors