Final answer:
The statement is false. New York City during the Civil War-Era had a diverse population with varying opinions on slavery and equal rights for African-Americans.
Step-by-step explanation:
The statement is false. During the Civil War-Era, New York City had a diverse population with varying opinions on slavery and equal rights for African-Americans. While there were abolitionists and individuals who supported ending slavery, there were also those who were against it. Additionally, racial tensions and discrimination persisted during that time.
Learn more about Civil War-Era New York City population's support for ending slavery and equal rights