Feudalism was successful because it allowed the control of land in exchange for service or labor.
The right answer is A) Gulf of Panama :)
Harriet Tubman because she was strong and lead slaves to freedom.
They're most likely referring to urban sprawl, which is usually associated with rapid, less thoughtfully planned development.
It's usually thought of in a negative light, because the neighborhoods that develop lack the amenities, infrastructure, and/or identity of traditional neighborhoods. And because they're on the edges of cities, everyone usually relies on cars, which leads to traffic jams, pollution, and a lack of sense of community.
