I believe the answer is A. Correct me if i'm wrong :)
Urbanization. As industrial innovations took off, more factory jobs were available, more people moved to dense cities, and urban construction grew.
Answer:
The Missouri Compromise, (1820), was used for to balance the free slaves and the slaves that had no freedom, It allowed Missouri to enter as a slave state at the same time Maine entered as a free state, thus maintaining a balance in numbers of free and slave states, Fugitive Slave Law allowed southerners to go into Northerner states and retrieve former slaves. The Compromise overturned the Missouri Compromise and left the overall issue of slavery unsettled. Hope this helps
Explanation:
B. canis:canine
because canine is a dog breed and it matches (if you have a Vocabulary Cassical Roots book then you will inderstand why it is the same)