In 2018, after 25 years of the North America Trade Agreement (NAFTA), the United States re-quested new rules which, among other requirements, increased the regional content in the production of automotive components and parts traded between the three partner countries, United States, Canada and...

Societies are complex systems, which tend to polarize into subgroups of individuals with dramatically opposite perspectives. This phenomenon is reflected — and often amplified — in online social networks, where, however, humans are no longer the only players and coexist alongside with social...