Final answer:
The Selma-to-Montgomery marches were significant to the civil rights movement as they highlighted racial injustice and the desire for voting rights. They played a key role in the passage of the Voting Rights Act and drew national attention to the issue.
Step-by-step explanation:
The Selma-to-Montgomery marches in 1965 were significant to the civil rights movement because they highlighted racial injustice and the desire of African-American citizens to exercise their constitutional right to vote. These marches played a crucial role in the passage of the Voting Rights Act, which was a landmark achievement of the Civil Rights Movement. The marches drew national attention to the ongoing struggle for voting rights in the South and helped galvanize support for equal voting rights for African Americans.