"I think we have to keep trying, but they are such a powerful group it will be difficult to stop them."

Jay suggests they just didn't want to take on powerful groups.

"But these are powerful groups and they will probably try again."

For this, we are under attack by the powerful groups in Miami.

"Someone that was a member of a very powerful group had been killed," he said.

Those buyers are themselves joining in larger and more powerful groups.

It is generally regarded as the most powerful group of its kind in the country.

The more powerful and well-established groups probably would not help him.

These feelings often result in aggression against less powerful groups.

It continues, however, to be opposed by some powerful groups.