Why did the aztecs city of techochtitan become one of the richest cities in the world

After Tenochtitlán became independent from Azcapotzalco (thanks to its poticial instability and Tenochtitlán's alliance with Texcoco and Tlacopan), its territory grew considerably, becoming the center of a new empire. One of the main reasons why it became one of the richest cities in the world was the tribute that flowed in from other subordinant cities, which made the inhabitants wealthy. Also, distribution of land eventually caused a rapid immigration into the city.

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.

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