What was one effect of Jim Crow laws on marriage, prior to the 1960s?

to prohibit interracial marriage

Explanation:

The "Jim Crow Laws" consisted of laws that governed racial segregation. This laws took effect until 1965, but was prominent between 1877 until the middle of the 1960s. Under such laws, the African Americans were recognized as "second class citizens" to that of the whites. It reflected a society where the black people were oppressed.

Regarding marriages, the Jim Crow Laws deemed "interracial marriage" as unlawful. Thus, this explains the answer. It further states that if the black and white people will have sexual relations, it will produce a "mongrel race." Such hybrid race is believed to cause American destruction. Even eating together between the black and white people was not allowed.

So, this explains the answer.

to oppose fdr’s new deal

explanation:

the american liberty league. the american liberty league was a nonpartisan organization formed in 1934 in opposition to the new deal. the organization's stated goal was “to defend the constitution and defend the rights and liberties guaranteed by that constitution.”