1. Examples of the Executive Branch helping to improve civil rights would be A. Harry Truman's Executive Order 9981, which desegregated the armed forces during the Korean War or B. Abraham Lincoln's role in leading the Union forces during the Civil War and his Emancipation Proclamation.
2. Examples of the Legislative Branch helping to improve civil rights would be A. the 88th US Congress's Civil Rights Act of 1964 or the passage of the 26th Amendment in 1971, which lowered the voting age to 18.
3. Examples of the Judicial Branch helping to improve civil rights would be A. the 1954 Brown v. Board of Education of Topeka, which desegregated public schools or B. the 1967 Loving v. Virginia case, which deemed state laws prohibiting interracial marriages unconstitutional.