Routine International Transactions for the Sale of Goods Generate Risk

Routine international transactions for the sale of goods generate risk because

A) the seller may have to worry about currency devaluations and political instability.
B) it is harder for the seller to evaluate the creditworthiness of the buyer.
C) it may not be clear which laws apply to a transaction.
D) disputes regarding a transaction may be litigated in foreign courts where the results are harder to predict.
E) all of the above.