Lex Mercatoria or law merchant, formed in Medieval Europe, was a written law and enforced by states. ( )
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The basic sources of international business law include international treaties and conventions, international customs, and national business laws.( )
A. 对
B. 错
International business customs are not binding on parties unless the parties have incorporated them in the contract. ( )
A. 对
B. 错
National law is not a kind of sources of in interntional business law.( )
A. 对
B. 错
The parties involved in transnational trade and commercial activities may choose the domestic law of a country as the governing law.( )
A. 对
B. 错