Can someone plss help me with this! What does Riis mean when he writes that during the summer the water pump "is worked in vain"?

A. The water does not work during the summer

B. The water pump is very noisy during the summer

C. The water is very expensive

D. The pump is very easy to use

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.

the crusaders are identified in the painting;

c. by the red crosses on their backs