Which modern legal concept originatednin ancient rome?

Roman law?

Explanation: it included legal developments spanning over a thousand years of jurisprudence

the   square   deal   was   a   program   where   the   government gave any one   a fair   chance   to succeed

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

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