Question

The Zollverein was____.

Answer 1

The Zollverein was B. an economic union of German states. 
Founded in 1834 by the Zollverein treaties, the Zollverein was created to manage tariffs and economic policies within their territories.

Answer 2

I did this research and found out this


The Zollverein ([ˈtsɔlfɛɐ̯ˌʔaɪn]) or German Customs Union was a coalition of German states formed to manage tariffs and economic policies within their territories. Organised by the 1833 Zollverein treaties, theZollverein formally came into existence on 1 January 1834.