He doubled the size of the empire and ruled much of the Mediterranean world.
He created a code of law that helped unite the Byzantine Empire and later served as a model for the codes of law in many modern nations.
He built a huge domed cathedral called the Hagia Sophia, an enormous underground aqueduct, and a fabulous palace complex.
those are the answers for K12, OHVA to be exact
It spread to China and became popular
The southerners favored slavery but Lincoln was against it.
Mainly from Europe more specifically Germany ,Ireland, England and France due to various problems such as crop failure. They have also immigrated because of Christopher Columbus's voyages of the new world.