Most of Steinbeck's work is set in southern<span> and </span>central California<span>, particularly in the </span>Salinas Valley<span> and the </span>California Coast Ranges<span> region. His works frequently explored the themes of fate and injustice, especially as applied to downtrodden or </span>every man protagonists<span>.</span>
D) in particular
it connects both the sentence well
