Socialism means to be social with other people but with in same community....
Communism means to be social with people but with other community.....
what does what have to do with the rose? do you have the story?
All the sentences in a paragraph should be unified and coherent.
Answer: sentences
From the topic sentence to the concluding sentence, they need to be unified and coherent for the writer to truly get their point across as it was intended.
Hope this helps! :)