They are important because they just are
B) Americans were divided on the issue of fighting in Vietnam.
He developed the first polio vaccine.
Correct answer is "a. True".
Urban police systems began to emerge throughout Europe and especially in France over the preceding centuries, it was in the early 1800s however that they took their modern conception and were adopted in the United Kingdom, which up to then had been resilient to an idea that it saw as an oppressive foreign import. The change in perception was a consequence of severe unrest and lawlessness in the cities, as documented in the classical Charles Dickens book A Tale of Two Cities. This process culminated with the passage of the Metropolitan Police act of 1829, which produced the world's first modern and professional police force.
