What word of words in the paragraph give a clue that a sentence is showing comparison?

answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

explanation:

the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.

i think you may have asked this twice, but i answered one of the