translate English to French: Practice in that area was scarce, and there was no clear understanding of the term “essential interest of the international community” used in paragraph 1 or of what was meant by “seriously impair the essential interest of the State”.
La pratique dans ce domaine est rare, et ce que signifie "un intérêt essentiel de la communauté internationale" au paragraphe 1 ou ce que l'on entend par "gravement atteinte à un intérêt essentiel de l'État" n'est pas clair.