Answer:
Justinian was the Byzantine Emperor from 527 to 565, during his rule he enacted reforms to reduce corruption and increase accountability. He was a prolific builder, and constructed dams, bridges, fortifications. All the elements of Justinian's passion came together when he rebuilt Hagia Sophia, it is one of the most famous cathedrals today. He is important because he reorganized the administration of the imperial government and sponsored the codification of laws which were known as Code of Justinian.
Sorry if I’m wrong but I believe it was Martin Luther
Hydrogen atoms fuse to produce helium. This process is called nuclear fusion.
Since some of the frontier colonies during this time were free due to the idea of popular sovereignty, some slaves could successfully escape to "free" states and not be forced to return to their home state.
Slavery, the south's lack of representation, and taxation without representation