The correct option is D) Advanced weapons.
Though the Aztecs held the most powerful empire in Central America, the Spanish had an advantage of Advanced Weapons that contributed to the Aztecs' defeat.
Before the arrival of the Spanish, the Aztec Empire was the dominant economic and political force in South America.
The Empire has a complex government system, a sophisticated economy and a well developed social structure.
Many of the Aztecs were well-versed in developing large buildings, architecture, in agriculture, sports, mining and even astronomy. However, the technologically they were still far behind the Europeans.
Their limited weaponry was no match for the muskets of the time. We should also not forget that even a larger part of the population died due to the diseases brought on from the old world.
The local population had no immunity towards measles, small pox and other contagious diseases.
The correct answer is <span>Early leaders were unable to agree on regional and economic differences.
They differed in the opinion on who should have more power, the federation or the states, and on which system should the economy be based. They were called federalists and anti-federalists.</span>
The Quraan was verbally sent down in parts to The Blessed Prophet Muhammad (peace be upon him) by the archangel Gabriel (Jibril) at the age of 40. The Quraan was finally compiled after the Prophets' death at 63 during the ruling of Umar son of Khattab (RA).
Please do NOT quote me on this. I will look further into it if needed.