political machines were likely to approve public work projects for companies that\nwere qualified.\nwere…

political machines were likely to approve public work projects for companies that\nwere qualified.\nwere anti - union.\npromised their votes.\npromised good discounts.
Answer
Answer:
C. promised their votes.
Brief Explanations:
Political machines were known for using patronage - in this case, approving public work projects in exchange for political support like promised votes.