No; a prepositional phrase begins with (or includes) a preposition such as "of", "through", and "around".This sentence does not have a preposition within it, so, no, it is does not have a prepositional phrase.
C, connection they’re reaching out ‘connecting’ people
Employee is related to business
I know the answer is NOT C "During one great period of immigration--between 1891 and 1920--our nation received some 18 million men, women and children from other nations. The hard work of these immigrants helped make our economy the largest in the world."
