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).
Causes of the American Civil War-Causes Of The American Civil War Incomplete Essay Four years of American bloodshed on American soil. Why. The reasons are varied. From the formation of America to 1860, the people in this country were divided.auses of The American Civil War - War is the unfolding of miscalculations.. - Barbara Tuchman Lasting from 1861 to 1865, the Civil War is considered the bloodiest war in American history. However, the Civil War had seemingly been a long time coming.