America 1920-1973Causation
How Did Segregation Become the Law of the Land?
Part of Segregation — GCSE History
This causation covers How Did Segregation Become the Law of the Land? within Segregation for GCSE History. Revise Segregation in America 1920-1973 for GCSE History with 10 exam-style questions and 3 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 5 of 13 in this topic. Use this causation to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 5 of 13
Practice
10 questions
Recall
3 flashcards
⛓️ How Did Segregation Become the Law of the Land?
Racial segregation did not emerge naturally — it was deliberately constructed through a series of legal and political decisions over several decades. Understanding this chain helps explain why it was so hard to dismantle:
The Civil War ended slavery (1865) but not racism — The 13th Amendment (1865) abolished slavery. The 14th Amendment (1868) gave Black Americans citizenship and equal protection. The 15th Amendment (1870) gave Black men the right to vote. For a brief period during Reconstruction (1865-77), Black Americans voted, held office, and participated in public life in the South. But this was resisted violently by white Southerners from the start.
Reconstruction ended in 1877 — federal troops withdrew — A political deal over the contested 1876 election ended Reconstruction. Without federal troops, Southern states swiftly stripped Black Americans of their gains through "Black Codes" restricting movement and voting. KKK violence terrorised Black communities. By the 1880s, most Black Southerners had lost the political rights they had briefly held under Reconstruction.
Plessy v Ferguson (1896) made "separate but equal" the law — Homer Plessy challenged Louisiana's railway segregation law. The Supreme Court ruled 7-1 against him, establishing "separate but equal" — racial segregation was constitutional as long as facilities were technically equal. This gave legal backing to segregation across Southern life and stood for 58 years until Brown v Board (1954).
Jim Crow laws enforced segregation in every aspect of life — Southern states passed hundreds of laws mandating racial separation in schools, hospitals, transport, restaurants, parks, and even drinking fountains. Black Americans who challenged these laws risked violence or imprisonment. Between 1882 and 1968, at least 4,743 people were lynched — nearly three-quarters of them Black men in the South.
Voting barriers prevented political challenge to the system — Poll taxes (fees most Black workers couldn't afford), rigged literacy tests, grandfather clauses, and outright violence eliminated Black voters from the rolls. In Mississippi in 1890, 90% of Black voters were removed in a single year. Without votes, Black Americans had no political power to change the laws that oppressed them.
TURNING POINT — Brown v Board of Education, May 17, 1954 — The Supreme Court ruled unanimously that "separate educational facilities are inherently unequal," overturning Plessy v Ferguson after 58 years. NAACP lawyer Thurgood Marshall had argued that segregation itself caused harm — regardless of whether facilities were physically equal. This was the first crack in the legal foundation of Jim Crow. It proved that the federal courts could be turned against segregation and gave the Civil Rights movement the judicial precedent it needed to challenge every aspect of the system that followed.
= A self-reinforcing system of racial oppression — Poor Black schools limited opportunity. Voting barriers prevented political power. All-white juries blocked legal redress for violence. Low wages denied economic independence. Each element reinforced the others — which is why dismantling segregation required simultaneous challenges on every front: legal (NAACP), economic (boycotts), political (legislation), and direct action.