The phrase "in other societies" presents contrasting ideas regarding marriage. The first two present ideas. "On the other hand" presents contrasting ideas relating to romantic love. Therefore, the answer is D.
In many cases, living with paralysis means living without the ability to control bladder, bowel, temperature, and function. These secondary complications of paralysis can dramatically affect health and quality of life. Oftentimes, secondary complications of paralysis can be life-threatening.
Small pox was a huge problem during the pre revolutionary war erra but was not successfully araticated until the late 70s, it was wiped out because people where vacinated at a very young age. so the answer is B The smallpox vaccine was given for a long time and the disease no longer exists.
B. Both poems are about natural phenomena
Which is about nature.
Natural phenomena is "A natural phenomena is an observable event which is not man-made.