Complex sentence: The Civil Rights Act of 1957 was also Congress's show of support for the Supreme Court's "Brown" decisions, the "Brown v. Board of Education" (1954), which had eventually led to the integration of public schools.
Split into simpler sentences: The Civil Rights Act of 1957 was also Congress's show of support for the Supreme Court's "Brown" decisions. The "Brown v. Board of Education" (1954), eventually led to the integration of public schools.