The Aztecs have created one of the most sophisticated on the planet. Compulsory three and a half centuries before the United States.

The correct answer to this open question is the following.

Although there are no options attached or further context and references, we can say the following.

The Aztecs have created one of the most sophisticated civilizations on the planet three and a half centuries before the United States.

The Aztecs were one of the most interesting and advanced civilizations in Mesoamerica.

They were known to be fierce warriors and that was true. But they also had elevated knowledge in mathematics, architecture, engineering, irrigation, and astronomy.

The Aztecs created one of the most sophisticated civilizations. They built their capital city over a lake. Yes, the Texcoco lake. There, they built the impressive and beautiful Tenochtitlan, the capital city of the empire. They built water canals for the transportation of people and goods. In these water canals, they built their chinampas, a portion of land where they lived and grew crops. Very impressive for its time to the degree that Spanish conquerors marveled when they arrive at Tenochtitlan for the first, time.

d) eastern business owners and former federalists

both eastern and western early north american cultures were known for building wigwams and longhouses.

wigwams, also called wetus, were small houses of 8-10 feet tall, made of wooden frames covered with woven mats and sheets that were used by algonquian indians. similarly,   longhouses were also used by algonquian and the iroquois tribes, and they were built as well with pole frames and elm bark covering. however, the main difference between wigwams and longhouses is that the latter was much larger than the former, with 200 feet long, 20 feet wide, and 20 feet high with inner raised platforms used for sleeping space.