<span>her fear of being thought anti-revolutionary and
her hatred of capitalist society.</span>
Sentence 2 this should be right.
The main motif of the poem is that Dickinson compares poetry, obviously and famously her favorite form, to a house or building that extends ad infinitum, or forever--the possibilities of poetry are endless. I hope my answer has come to your help. God bless and have a nice day ahead!