Which political example would most clearly test feminist movements liberal thinking — Betty Friedan's equal rights and involvement in US Civil Rights and feminist movements to liberal thinking? Use the relevant political concepts and evidence from Liberalism.

a relevant Act, constitutional amendment, court ruling or rights campaign linked to the comparison and its consequence for civil-rights protection. This is correct because political evidence must connect a relevant Act, constitutional amendment, court ruling or rights campaign to the stated UK-US claim.

Apply Human Rights Act, constitutional amendments, judicial remedies, equal protection, protest, litigation and legislative reform precisely. UK rights protection combines statute, common law and the Human Rights Act, whereas US civil rights are strongly shaped by the codified Constitution and judicial review.

A structural viewpoint emphasises formal rules; however, a rational or cultural viewpoint may explain how actors use those rules. Overall, judge the evidence from a relevant Act, constitutional amendment, court ruling or rights campaign and explain whether different legal foundations alter how courts, legislatures and campaigns secure change for "Relate Betty Friedan's equal rights and involvement in US Civil Rights and feminist movements to liberal thinking.".