I think you forgot to add the options but based on my research, the correct answer is "The unemployment rate increased in cities." This statement describes an effect of urbanization. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Blood sugar<span> is </span>regulated by negative feedback<span> because insulin is released as a response to high </span>blood sugar<span> so that insulin can allow </span>glucose<span> to enter into cells in order to make </span>blood sugar<span> go back down to a normal </span>level<span>.</span>
Answer:
The Romans established a form of government -- a republic -- that was copied by countries for centuries. In fact, the government of the United States is based partly on Rome's model. The ladder to political power in the Roman Senate was different for the wealthy patricians than for the lower-class plebeians.
The French explorer Pedro Vial pioneered the route in 1792 and the Santa Fe Trail<span>was established in 1821 to </span>take<span> advantage of new trade opportunities with Mexico which had just won independence from Spain in the Mexican War of Independence.</span>