Which poetic technique does robert browning use in this excerpt from “my last duchess”?

"of joy into the duchess' cheek: perhaps
frà pandolf chanced to say "her mantle laps
over my lady's wrist too much," or "paint
must never hope to reproduce the faint
half-flush that dies along her throat: " such stuff
was courtesy, she thought, and cause enough
for calling up that spot of joy. she had
a heart—how shall i say? —too soon made glad,"

a) enjambment
b) blank verse
c) open form
d) end-stopped lines

c. a group of tribes that formed a confederacy

awnser:

over the two days of the convention, presided over by lucretia’s husband james mott, the declaration of sentiments was read and its resolutions debated. the ninth resolution continued to be the most controversial, particularly because the attendees were predominantly quaker, and quaker men often declined to vote. freed slave and newspaper editor frederick douglass argued for approval of the resolution and convinced the audience of its necessity. at the end of the convention, about 100 of the attendees signed the declaration, although some removed their names later due to criticism.

the answer is b:   the american composer and singer bob dylan composed many songs, by which he is very famous and considered one of the mosts influencial artists of pop music. he was awarded the nobel prize in literature for his type of poetry. but the huge impact his songs had are due to both lyrics and music, without which the message would lose strength.