1.The U.N. Convention on Contracts for the International Sale of Goods (CISG) adopted in 1980 has become a globally accepted uniform law of sales and incorporated by over 90 countries into their commercial codes.State True or False

a.CISG does not allow parties to "opt out" of its provisions:___________

b.CISG applies if the parties' places of business are located in countries that have ratified the CISG: ___________

c.CISG states that contracts should be in writing, unless parties determine otherwise: _____________

d.Ships, vessels or aircraft are goods that are excluded from the CISG: _________