Cesar chavez used to protest working conditions for migrant workers? a. strikesb. marchesc. boycottd. all of the above

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

b is the answer i am assuming