I'm late as always, sorry for being late.
In an effort to deal with an increasing number of immigrants, in 1892 the U.S. government either banned or put limitations on many potential immigrants coming from Europe and Asia, especially China.
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.
