Imperialism is basically a policy that extends a country's power and influence through a military force and/or a diplomacy.
Hope I helped!
It's debated; the credit is usually given to either Julia Ward Howe or Anna Jarvis.
Howe was born first, so if you're looking for initial efforts, I would go with her.
Hope this helps!
corporate taxation
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Democracy originated in Ancient Greece
Because Hoover wanted to end the Great Depression but I'm not entirely sure