Examlex
A convex lens has focal length . If an object is located at "infinity" (very far away) , the image formed is located at a distance from the lens
Fugitive Slave Act
Historical laws in the United States that provided for the return of enslaved people who escaped from one state into another state or territory.
Family Separation
The practice of dividing families through various means such as incarceration, immigration policies, or foster care, often leading to significant psychological distress.
Underground Railroad
A secret network of routes and safe houses used in the 19th century to help enslaved African Americans escape to free states and Canada.
Harriet Tubman
An African American abolitionist, humanitarian, and during the American Civil War, a Union spy, renowned for her role in the Underground Railroad, leading enslaved people to freedom.
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