International Trade Is More Difficult and Risky from the Exporter's

International trade is more difficult and risky from the exporter's perspective than is domestic trade because

A) the exporter may not be familiar with the buyer, and thus not know if the importer is a good credit risk.
B) if the merchandise is exported abroad and the buyer does not pay, it may prove difficult, if not impossible, for the exporter to have any legal recourse.
C) political instability makes it risky to ship merchandise abroad certain to parts of the world.
D) all of the above