Final answer:
Jenny likely discovered that interracial marriages are increasingly common and represent one in ten married couples in the U.S. today. This trend is a stark contrast to historical anti-miscegenation laws and reflects growing acceptance among various ethnic groups.
Step-by-step explanation:
The correct answer to the question based on the provided references is that Jenny likely found that one out of every ten married couples in the United States is interracial/interethnic. This statistic reflects a significant increase in the acceptance and prevalence of interracial marriages since the landmark Supreme Court case of Loving v. Virginia in 1967.
Historically, interracial relationships faced many challenges and were even subject to anti-miscegenation laws that prohibited marriage between individuals of different races. Such laws were common until the mid-20th century but began to change with the Civil Rights movement, culminating in the unanimous Supreme Court decision that declared state laws banning interracial marriage unconstitutional.
Today's society generally shows a higher level of acceptance toward interracial and interethnic relationships. Public opinion has also shifted significantly, with various ethnic groups expressing openness to welcoming individuals from other races into their families. Consequently, interracial marriages have not seen a decline in the past two decades, rather they have become more common, contributing to the diversity of families across the nation. Studies on the quality of interracial relationships have been mixed, but they do not conclusively suggest that interracial couples report lower relationship satisfaction compared to intraracial couples.