Medical research in the twentieth century mostly takes place in the lab; in the Renaissance, though, researchers went first and foremost to the library to see what the ancients had said.
In 1833, protection was abandoned, and a tariff was established by which it was provided that we should, in a few years, have a system of merely revenue duties.
I could tell it was a popular move as a writer to walk down the bass lines while you were writing a song.