Because of the term's historical use in contexts that typically implied disapproval, more unambiguously neutral terms such as interracial, interethnic, or cross-cultural are more common in contemporary usage.
The term miscegenation has been used since the 19th century to refer to interracial marriage and interracial sexual relations, In the present day, the word miscegenation is avoided by many scholars, because the term suggests a concrete biological phenomenon, rather than a categorization imposed on certain relationships.
There was already much opposition to the war effort.
In the United States, miscegenation has referred primarily to the intermarriage between whites and non-whites, especially blacks.
Before the publication of Miscegenation, the word amalgamation, borrowed from metallurgy, had been in use as a general term for ethnic and racial intermixing.
It purported to advocate the intermarriage of whites and blacks until they were indistinguishably mixed, as a desirable goal, and further asserted that this was the goal of the Republican Party.
The pamphlet was a hoax, concocted by Democrats, to discredit the Republicans by imputing to them what were then radical views that offended against the attitudes of the vast majority of whites, including those who opposed slavery.
In 1967, the United States Supreme Court unanimously ruled in Loving v.
Virginia that anti-miscegenation laws are unconstitutional. With this ruling, these laws were no longer in effect in the remaining 16 states that still had them.
As the different connotations and etymologies of miscegenation and mestizaje suggest, definitions of race, "race mixing" and multiraciality have diverged globally as well as historically, depending on changing social circumstances and cultural perceptions.
Mestizo are people of mixed white and indigenous, usually Amerindian ancestry, who do not self-identify as indigenous peoples or Native Americans.
The Nazi ban on interracial sexual relations and marriages was enacted in September 1935 as part of the Nuremberg Laws, the Gesetz zum Schutze des deutschen Blutes und der deutschen Ehre (The Law for the Protection of German Blood and German Honour).
The Nuremberg Laws classified Jews as a race, and forbade extramarital sexual relations and marriage between persons classified as "Aryan" and "non-Aryan".
The word was coined in an anonymous propaganda pamphlet published in New York City in December 1863, during the American Civil War.