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

The technique of Robert Browning in "my last duchess" is known as a dramatic monologue. This is so because all the poem is expressed in one voice only, as oppossed to a dialogue, where more voices would appear. And it is dramatic because it contains all the elements of drama.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

a variant spelling of the word dote (british)