Final answer:
The phrase 'with all deliberate speed' was used in the Brown v. Board of Education case to enforce school desegregation, but it allowed for slow progress and was open to interpretation. Many southern states resisted desegregation efforts using this phrase.
Step-by-step explanation:
In the historical context, the phrase 'with all deliberate speed' was used in the landmark Brown v. Board of Education case. This phrase was mentioned in the second court case, known as Brown II, which aimed to enforce school desegregation. 'With all deliberate speed' meant that school systems were required to integrate their schools, but the exact timeline and method were left unclear.
The phrase 'with all deliberate speed' was open to interpretation and allowed for slow progress in desegregating schools. Many southern states and school districts used it as an opportunity to delay or resist desegregation efforts. This phrase became a point of controversy and resistance to the Supreme Court's ruling.
Despite the ambiguity of the phrase, it marked an important step towards desegregation and challenged the relationship between state and federal governments in matters of civil rights.