English to Persian (Farsi) Social Sciences Government / Politics The United States

It appears in the first line:

"On May 3, 1957, several U.S. foreign affairs agencies completed a secret Inventory of U.S. Government and Private Organization Activity Regarding Islamic Organizations as an Aspect of Overseas Operations. The working group assumed that global Muslim political groups were religiously motivated, and that Islam andChristianity shared a common spiritual basis, unlike atheistic communism. The Soviet Union was making a largely successful effort to attract Muslim support in the Middle East, the study concluded. ‘‘As a militant missionary faith, the ultimate aim of Islam is world conversion,’’ the paper argued, noting that sixteen of eighty-one United Nations member states had Muslim majorities, and another thirty-two had significant Muslim minorities..."

I think I should use something meaning "survey", perhaps بررسی or برآورد. Thanks for any help.