The publisher of a high school textbook that referred to slaves brought to America as “workers” is apologizing and says more diversity will be added to review boards.

#McGraw-Hill Education CEO #David Levin said Monday in a letter to employees that the company made a mistake. He says #slavery “was a horrible part of American history” and that the publisher will provide teachers a free supplemental lesson plan about the Atlantic slave trade.

The company has been under fire since a Texas mother last week posted her disbelief on social media about the wording in her 15-year-old son’s world geography textbook.

Texas officials say roughly a quarter of the state’s 1,200 school districts are using digital or physical versions of the book in classrooms this year.

Read more of the original article by PAUL J. WEBER via KATU.com — http://www.katu.com/news/national/Publisher-apologizes-for-textbook-calling-slaves-workers-330773861.html