although the attitude towards has undergone, dramatic changes in some countries. Accepted by many societies during Greek and Roman era, most of the time homosexuals were considered to be sinners against nature and even criminals. In medieval and modern periods homosexuals were prosecuted enlightenment brought some liberation, substitution death penalty by imprisonment. In Nazi Germany so –called "doctors" tried to "cure" gays by the ways of castration and extreme intimidation. Until 1973 attempts to find the cure against homosexuality, what by majority was viewed as a disease
             Today when research on twins suggest that sexual orientation is not a choice, but genetic predisposition, homosexual acts are still considered to be immoral and even illegal in majority of countries and in the eyes of most religious groups. Homosexuals; probably, always will be the subject of anathema (someone or something intensely disliked). As much as the future may look gloomy for many gays and lesbians all over the world, there are remarkable changes in public opinion and officials' attitudes toward homosexuals in some countries
             Marriage is an institution long recognized by the government under the right to pursue happiness, and denying that right to any couple, regardless of gender, is unconstitutional. This nation is built based on the fundamental principles of freedom expressed in the declaration of independence and through the constitution. The opponents of homosexual marriage need to remember what freedom means to America, and understand the significance of setting a precedent that denies that freedom. The Supreme Court has long recognized that the constitution of marriage is one of the rights guaranteed to all Americans by the constitution. "The freedom to marry has long been recognized as one of the vital personal rights essential to the orderly pursuit of happiness by free men"(Loving Vs Virginia). "This court has long recogni...