B Cities grew faster do to the industrial revolution,farm hands,immigrants and families moved to the city’s in hope of work
The spikes represent the seven seas and seven continents of the world
Uncle Tom's Cabin is a novel written by Harriet Beecher Stowe and published in 1952.
It's an anti-slavery novel, written to raise sympathy to slaves and to protest against slavery, convincing people that slavery was not good and contrary to Christian values.
This term consists of two words with Greek origin: "photo" and "trop". Photo in Greek means light, either sunlight or artificial light. Therefore, the complete word means the turning towards the light. Since the phenomenon under discussion is the plants' natural tendency of orientation towards the light, phototropism is an excellent term.