I believe the answer is B
Answer:
Formaldehyde can be added as a preservative to food, but it can also be produced as the result of cooking and smoking. Formaldehyde also occurs naturally in the environment. Humans and most other living organisms make small amounts as part of normal metabolic processes. Formaldehyde is also a byproduct of combustion. When burning natural gas, kerosene, gasoline, wood, or tobacco, formaldehyde is produced. Automobile exhaust is a common source of formaldehyde in our environment. Tobacco smoking in the home is another source of the chemical in the indoor environment.
Explanation:
Given that sectionalism deals with restriction of interest
to a narrow sphere; undue concern with local interests or petty distinctions at
the expense of general well-being.
Also, that the south was the raciest towards people that
looks different than them. Then it only stands to reason that the sectionalism
was the one thing that the North did not like which led to the Civil War.
Rococo was a common art during his rule in the 18th century
