The answer is james monroe
Those serbs were convicted of War crimes because they approve the policy of ethnic cleansing in the war.
Ethnic cleansing refer to the policy in which they massacre a specific ethnic groups in their society. This practice deemed as really inhumane so they had to be convicted because of that
First Islam is a noun and means the religion of the Muslims, a monotheistic faith regarded as revealed through Muhammad as the Prophet of Allah. Another meaning is the Muslim world.
now signify is a verb and means be an indication of. Some synonyms are be evidence of, be a sign of, mark, signal, mean, spell, be symptomatic of, herald, indicate; literary betoken