Emperor Trajan is a great one
The action during the 1930s heightened the tensions between Japan and the United states is the Japan invaded Chinese Territory.
Between 1937 and 1941,escalating conflict between China and Japan influenced U.S relations with both nations, and ultimately contributed to pushing the United states toward Full-scale war with Japan and Germany.
Explanation:
In 313 CE, the emperor Constantine issued the Edict of Milan, which granted Christianity—as well as most other religions—legal status. ... In 380 CE, the emperor Theodosius issued the Edict of Thessalonica, which made Christianity, specifically Nicene Christianity, the official religion of the Roman Empire.
They understood the concept of time.
I hope this helps! :3