It develops this theme by showing that when the writer's mom came to the United States, surviving was difficult but over the years she gained a lot of experience that made her become better.
Explanation:
The writer noted some difficult times in the life of her mother when they initially came to America, such as living in a small and dirty house. She persevered and worked hard to start her own dry cleaning business. Today, she has given her children the opportunity to acquire an education in America which would secure their future. She is also more experienced.
Just as a young inexperienced Himalayan climber finds the way up difficult, and surviving through the snowstorms and difficulties eventually gives him a beautiful view, so did the Korean mother start up her journey in America as a frail, naive, and determined person but eventually survived through the hard times to become an accomplished and experienced woman.
Social isolation significantly increased a person's risk of premature death from all causes, a risk that may rival those of smoking, obesity, and physical inactivity. Social isolation was associated with about a 50% percent increased risk of dementia.
Well a body paragraph is just like YOUR body it's just located below the head and above the waist and without it you wouldn't survive. The body is basicly the dicription of your topic sentence, whatever you know (or find out) about your topic sentence belongs in the body paragraph.