Help pls what is this sentence shows

“while Anglo growers welcomed Chicano workers in their fields during times of economic prosperity, they shut them out of mainstream society.“

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more

The townshend duties were repealed, except for the tax on textiles, tea, or glass?