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Recreational and medical marijuana use is legal in some states, but it is illegal under federal law.
The positive effect of the industrial revolution was the new machinery invented including the steam engine, cotton gin, power loom, assembly line, telegraph, and multiple other inventions. This helped create things faster, and helped society do their jobs more efficiently.
The negative effects were the poor working conditions and living conditions. There was extremely low wages, and child labor. Pollution was also increased due to new machinery. Factories polluted the environment.
There are several reasons why the Aztec need for victims for sacrifice led to problems controlling the empire, but a major reason was that it terrified many average citizens.
