Question

Bismarck’s Anti-socialist Campaign __________.
a.
succeeded
c.
failed
b.
backfired
d.
did not have an affect

Answer 1

"He’d passed the Anti-Socialist Law of 1878, which banned Social Democratic meetings, associations and newspapers, but he couldn’t remove the party outright from the Reichstag. The socialists still found favor with too many constituents.

https://www.smithsonianmag.com/history/bismarck-tried-end-socialisms-grip-offering-government-healthcare-180964064/#FPPhKoPZj7UUcTkV.99

so backfired is the best possible answer