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 Civil War. Causes for the outbreak of Civil War existed in plenty and one of the most prominent among them was the prevalence of slavery in the United States during this period. While the economy of the Northern states was driven by industries, the same was driven by agriculture in the Southern states.