Sentence:  a special fund created for that purpose pursuant to subsection ( a ) of this section any amounts hereafter paid , in United States dollars , by a foreign government which has <WSD>entered</WSD> into a claims settlement agreement with the Government of the United States as described in subsection ( a ) of section 4 of this Title . 
Meaning of the word marked with <WSD> tags:  become a participant; be involved in