Answer:
Song Dynasty Empire had cross-regional connections.
Explanation:
The era of government following the Song dynasty was a time of great improvements and inventiveness. Some of the most significant discoveries in the archives of Ancient China were made throughout this time including the moveable prototype, the magnetic compass, and explosives. ... The Song dynasty had the preeminent position navy in world archives.
Public health
Sanitation standards were created to protect the common good in particular in cities.
During the Second Industrial Revolution, many began moving to the cities. Overcrowding of people and horses created large amounts of waste and very little clean water. Disease ran rampant and sanitation systems were put into place to protect the health of people.
Perseve what? You have no explanation or anything.
President Wilson’s approach towards the defeated Central Powers after World War was famously outlined in his 14 points, which sought to not punish the defeated.