It is the policy of the United States that no sales should be made, and no credits (including participations in credits) or guaranties extended to or for any foreign country, the laws, regulations, official policies, or governmental practices of which prevent any United States person (as defined in section
7701
(a)(30) of title
26) from participating in the furnishing of defense articles or defense services under this chapter on the basis of race, religion, national origin, or sex.