11.   These are major obstacles to effective trade but they will be removed, assures deputy foreign minister Sadegh Kharazi.

12.   This ambitious project faces a major legal obstacle.

13.   This issue is a major obstacle to a successful peace treaty.

14.   While we agree with this, we would add another major obstacle, namely problems of definition of the object of study.

15.   The release of Fang and Li removed the major obstacle to improved relations between China and the USA.

16.   The major obstacle to peace continued to be the status of UNITA.

17.   The ending of the Period of Communist Rebellion removed a major obstacle to the development of closer ties between Taiwan and China.

18.   The issue was expected to be the major obstacle to any agreement being reached.

19.   As debt is a major obstacle to economic growth, debtor countries can not develop to their full potential while keeping paying such massive foreign debts.