Read the sentence in Paragraph 1 in the article The Fight in the Fields: Cesar Chavez and the Farmworkers' Struggle

“As the Depression intensified and years of drought forced thousands off the land, the Chavez family lost both their farm and store in 1937.”

What does the word intensified mean as it is used in the sentence?

A
continued
B
became worse
C
went away
D
improved