World War I broke ... into two countries: The Czech Republic (or Czechia) and Slovakia. After a secret agreement with the Soviet Union, Germany rolled into Poland on Sept. 1, 1939, finally ...

This map is the most comprehensive ... to more than 40 percent of the world’s countries. The war isn’t being waged by the military alone, which has spent $1.9 trillion fighting terrorism ...

Israel’s leader and President Trump appeared to bet they can persevere, but other world leaders warned of unintended outcomes ...

You can get in touch with John by emailing j.feng@newsweek.com A map shows the countries ... by nuclear war, according to a specific simulation. With conflicts all over the world showing no ...