What role did government play in immigration during the late 1800s and early 1900s?

removed all restrictions on immigrants coming to the u. s.
created a quota system
adopted an open borders policy

With the downplay of emotion in classical music, music from this period doesn't usually exhibit the traits necessary for enduring quality.

Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?

In the centauromachy metope of the parthenon, human is to centaur as is to .