Which Statement Is False Regarding the United Nations Convention on Contracts

Multiple Choice

Which statement is false regarding the United Nations Convention on Contracts for the International Sale of Goods ("CISG") ?

A) Israel is a signatory of the CISG.
B) The United States applies the UCC but not the CISG.
C) The United Kingdom is not a signatory of the CISG and instead applies English common law.
D) The CISG is a treaty.
E) Mexico has signed the CISG.