Sentence analyse

hello... I need to analyse this sentence in point of both syntactic and semantic, but I really can't. thank you in advance for your help.


"Having sealed a historic deal to start accession talks with the European Union on Oct. 3, 2005, which critics at home attacked as “submissive,” the government took its case to the public and the president yesterday and assured them that there would be no recognition of the Greek Cypriot government."