Which group is on the extreme left of the political spectrum, and favors strong government intervention in the economy? a. conservatives b. radicals c. reactionaries d. moderates

where is the passage

i cant solve it without knowing the passage

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.