In the early 20th century and late 1900s; A complicated piece of legislation, it essentially gave preference to immigrants from Central, Northern and Western Europe, severely limiting the numbers from Russia and Southern Europe, and declared all potential immigrants from Asia unworthy of entry into the United States.
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Prison reform is the endeavor to enhance conditions inside jails, build up a more successful punitive framework, or execute other options to detainment.
Answer:
It allowed people to inform others of new religion, ideas and more and paved the path for newer printing technologies.
Explanation:
To prevent atrocities like those experienced by Jewish people in Nazi Germany
The answer is of course B - water.
Japan is consisted out of four big islands (Honshu, Hokkaido, Shikoku, and Kyushu). While each of them also has their own small characteristics, separate from each other, Japan has in general been isolated due to its specific geographical environment. Not being connected to any landmass such as neighbouring China, the only contact they could have had was by boat. And travelling by boat has always been more difficult compared to packing your stuff and going somewhere.