Prior to 1950, the NAACP focused its legal efforts on which issue? Ending segregation in public graduate and professional schools Fighting to overturn Plessy v. Ferguson itself Ratifying the Fourteenth Amendment and the due process clause

Ending segregation in public graduate and professional schools

Explanation:

The denial of education for African Americans was profoundly ingrained in the history of the U.S. Early part of the year 1909 witnessed a small group of activists gathered and formed the NAACP (National Association for the Advancement of Colored People). They have fought a long fight to eradicate racial segregation and discrimination from educational institutions. The organization put legal challenges for the civil rights of African Americans.

d) in the state of iowa