1 In contrast, Preseedâs osmolality matches that of semen and thus does not harm or damage sperm.  Viscosity â The texture of many vaginal lubricants also negatively affect fertility by inhibiting the sperm from traveling up the vagina and through the cervix quickly and efficiently.
The Civil War in Sudan was caused by religious tensions between the North and the South. The two main religions are Sunni Muslim (North) and Christians or other traditional beliefs (south).
Title: Causes of the American Civil War: Webquest and Web Historical Background: The American Civil War (1861 to 1865) sent our country into a national crisis that will devastate the Nation. The Civil War will threaten to break up the United States of America, will