16th ammendment 100% sure
The 16th Amendment dealt with the issue of how income tax funds would be apportioned. It allowed the Congress to levy income taxes without necessarily apportioning it to different states or even on the basis of the US Census.
This amendment was adopted in 1913. It exempted income taxes from the Constitutional Requirements of the United States of America.
Answer: Pride of Islam and center of learning , beautiful city. the city evolved into a significant cultural, commercial, and intellectual center of the Muslim world. This, in addition to housing several key academic institutions, including the House of Wisdom, as well as a multiethnic and multi-religious environment, garnered it a worldwide reputation as the "Center of Learning".
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So if i can rememeber this correctly it should be that b<span>rought in in the early 3rd Century, it initially was a unifying force, but then the peoples began to pour in from Eurasia and it diluted the existing peoples
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