(a) The state and the government of any such territory on or after the “effective date” as well as any political subdivision, agency, or instrumentality thereof or any territory, dependency, colony, protectorate, mandate, dominion, possession or place subject to the jurisdiction thereof,

(b) Any other government (including any political subdivision, agency, or instrumentality thereof) to the extent and only to the extent that such government exercises or claims to exercise control, authority, jurisdiction or sovereignty over territory which on the “effective date” constituted such foreign country,

(c) Any person to the extent that such person is, or has been, or to the extent that there is reasonable cause to believe that such person is, or has been, since the “effective date,” acting or purporting to act directly or indirectly for the benefit or on behalf of any of the foregoing, and

(d) Any territory which on or since the “effective date” is controlled or occupied by the military, naval or police forces or other authority of such foreign country.