(D) The 1800's were the time of the Industrial Revolution in Western Europe, technology spread like wildfire.
Plows and irrigation
This was the only one that really made since for landscape
To get rid of communism, Prevent anyone from speaking against US leaders, and to get rid of immigrants.
Large pitcher - 4 cups of water
small pitcher - 2 cups of water
They are similiar because they both don't settle down