Created in 1834, Zollverein was an economic organization by German termed as a customs union under Prussian leadership. Numerous German states joined forces to create a free trade zone and establish customs tariffs against third countries.

Facebook Marketplace is a digital platform within Facebook that allows users to buy, sell, and trade items locally. Unlike traditional e-commerce platforms, it leverages Facebook's vast social network to facilitate transactions, offering a unique blend of social and commercial interactions. 1. Overview of Facebook Marketplace User Base: As of my...