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).
The answer to the cause of the war is as large as the war itself. The best way to answer this question is with this statement. The US Civil War was the result of Southern slave states believing that their way of life, slavery, and its economics were becoming marginalized.