Select the most appropriate meaning of the given idiom.

To blaze the trail

To start a movement

The most appropriate meaning of the idiom "to blaze the trail" is to start a movement.

The other options are incorrect.

• "To oppose all criticism" does not mean to start a movement. Opposing criticism means to disagree with it or to speak out against it.
• "To cause the failure of" does not mean to start a movement. Causing the failure of something means to make it unsuccessful.
• "To mark the end of the movement" does not mean to start a movement. Marking the end of something means to signify that it is over.

The idiom "to blaze the trail" comes from the idea of a pioneer blazing a trail through the wilderness. In the same way, to blaze the trail means to be the first person to do something, and to make it possible for others to follow.