The act(s) which made it illegal to trade with any other country besides England was the Navigation Acts.
It was the Navigation Acts.
The ivory trade was made illegal in 1979.
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1562
The Sherman Antitrust Act made it illegal for corporations to interfere with free interstate or international trade.
Slavery was made illegal in England in 1772, following the landmark Somerset v Stewart case which ruled that chattel slavery did not have a basis in common law. This judgment did not abolish slavery in the entire British Empire, but it laid important legal groundwork for future abolition efforts.
The Sherman Antitrust Act made it illegal for corporations or trusts to interfere with free interstate or international trade.
england england
England
England
England
england
England