Death rates in the 20th century fever, polio, measles, hepatitis among others. However, war, genocide and Holocausts have led to many millions of deaths throughout the century, and late in the century AIDS had already killed millions, particularly in Africa and south-east Asia. Cancer also killed millions via lifestyle and pollution generated by increased work in factories. During the 20th century, an enormous improvement in public health led to an overall decrease in death rates. Infant mortality rates and maternal mortality rates have dramatically decreased. In the early 1900s, 6-9 women died in pregnancy-related complications for every 1,000 births, while 100 infants died before they were
20th Century Masters – The Christmas Collection: The Best of Reba 20th Century Masters – The Christmas Collection: The Best of Reba 20th Century Masters – The Christmas Collection: The Best of Reba McEntire is a compilation of songs from Reba McEntire's two Christmas albums ("Merry Christmas to You" and "") for release in 2003 on a "20th Century Masters" Christmas collection. No new material was recorded for the compilation. "20th Century Masters – The Christmas Collection: The Best of Reba McEntire" received three out of five stars from William Ruhlmann of Allmusic. In his review, Ruhlmann describes McEntire's versions of "Silent Night" and "Up on the Housetop" as "appropriately reverent,"