Who led successful boycotts of fruits and vegetables to put pressure on california growers to sign union contracts?

Initialy plantations everywhere growing cotton

What mountain range is located near 60*n and 60*e

His is the name of the group in the house of representatives that, in 1947, began hearings to expose communist infiltration in american life. unfortunately, a good deal of the evidence they used was based on hearsay and conjecture, meaning innocent people were harmed by their findings.