The Civil War started because of uncompromising differences between the free and slave states over the power of the national government to prohibit slavery in the territories that had not yet become. I believe so.
The idea of active citizenship
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China didn't have anything to do with citizenship, cities like Athens and Sparta had laws about citizenship and what a citizen could do and what a non-citizen could and couldn't do. China didn't have anything like that at the time/\.
They introduced the First Five Year plan