The purpos of greencard is <span>Most people refer to the process of obtaining permanent residency status for immigration purposes as "getting their </span>green card<span>." The </span>green card<span> is a </span>card<span> that is issued as proof that U.S. Citizenship and Immigration Services (USCIS) has granted its approval for you to be in the United States as a permanent resident.</span>
Answer:
In a federal system, a national government and the state governments share power. In a unitary system, all power lies with the national government, whereas in a confederation, the vast majority of power rests with the states.
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Fugitive Slave Act
Compromise of 1850
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Some of the peoples it conquered didn't want to be ruled by the Incas and were rebellious, mainly, and it was so big that it couldn't keep the conquered in line very well.