(1) One obstacle to the dissemination of apparatus for clear, critical thinking is the media.

(2) An obstacle to peace

(3) To put an obstacle in sb's way

(4) Resistance is the process of avoiding change and is a major obstacle to progress.

(5) The major obstacle to achieving that goal is money

(6) Developers see the bill as an obstacle , as a compliance cost, and as a source of delay.

(7) Our biggest obstacle is lack of money

(8) Their biggest obstacle is the difficulty in finding enough local craftsmen to carry out the work.

(9) The riders have to clear 12 obstacles on the course within a specific time limit.

(10) He spoke on all the groundwork that goes into a project and the obstacles to overcome.

(11) All you have to do is tell us how many obstacles the competitors will face in Saturday's Marathon event.

(12) The device will help to overcome one of the most difficult obstacles in military operations.

(13) He said the religious site was just one of several obstacles blocking a peace deal.

(14) None of the fences will have guard rails and the obstacles have been approved by the Jockey Club.

(15) The grass was really long and there were a few obstacles to clear as we went.

(16) They are not likely to prevent a determined terrorist group finding ways around these obstacles .

(17) He and his board have struggled valiantly to keep the club going, despite facing major obstacles .

(18) To look ahead is to identify a worrying number of obstacles between Scotland and the World Cup finals.

(19) But even if we adopt your vision, there are some serious obstacles to making it a reality.

(20) He added that it was the current transport ministers who were obstacles to further progress.