What is the best description of the context in which the mural described in the passage was written

"It is a piece of art or painting which is applied directly on surface, such as a wall, the ceiling or any other solid surface."

Explanation:

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.