41.   Muslims also are to refrain from fighting their own as well as Jews and Christians, the three monotheistic religions that trace their roots to the Prophet Abraham.

42.   Now, the Internet is helping create an even bigger boom as people of all ages trace their roots.

43.   One mini-mill company alone, Nucor, produces almost as much steel as U.S. Steel, which traces its roots to Andrew Carnegie.

44.   Penelope Niven, who is writing a biography of Wilder, traced one root of his ambivalence to the fact that his identical twin brother died at birth.

45.   Sanders does not have to look far to trace the roots of his show-biz style.

46.   Studies have traced the roots of the disease to Africa, where the sickling of blood cells helped fight malaria.

47.   Synchronized swimming traces its roots to ancient Greece, where only men competed.

48.   Stock-car racing traces its roots to moonshiners who hot rodded through the North Carolina hills trying to evade the law.

49.   That identity traces its roots back to the South American continent.

50.   The area also boasts numerous telecommunications startups, many of which trace their roots to the McCaw Cellular organization.