I believe the answer you are looking for is the homestead act of 1862
Alexander was great indeed. He managed to unite the entire Greece under his rule, and not only that, but he also vastly increased the size of his empire, covering almost entirely what was then the known world. Another great part about him was that he was not merciless towards his enemies and never imposed his religion or laws to anyone, but rather allowed different cultures to remain as they were, as long as they behaved properly and paid taxes and what not.
The Great Schism was between the B) Greek Orthodox Church and the C) Roman Catholic Church. This started at the beginning of the 11th Century and was a break of the communion, due to theological disputes regarding the Holy Spirit, whether leavened or unleavened bread should be used, the Pope's claim to universal jurisdiction and the place of Constantinople in relation to the Pentarchy.
Pessy vs ferguson is your answer