For the United States, it is not.
Article five of the United States Constitution.
"<span>The Congress, whenever </span>two thirds<span> of both Houses shall deem it necessary, shall propose </span>Amendments<span> to this Constitution, or, on the Application of the Legislatures of </span>two thirds<span> of the several States, shall call a Convention for proposing Amendments, which, in either Case, shall be valid to all Intents and Purposes, as Part of this Constitution, when ratified by the Legislatures of</span>three fourths<span> of the several States, or by Conventions in </span>three fourths<span> thereof, as the </span>one<span> or the other Mode of Ratification may be proposed by the Congress; Provided that no Amendment which may be made prior to the Year </span>One thousand eight hundred and eight<span> shall in any Manner affect the </span>first<span> and </span>fourth<span> Clauses in the </span>Ninth<span> Section of the </span>first<span> Article; and that no State, without its Consent, shall be deprived of its equal </span>Suffrage<span> in the Senate."
This process has happened 26 times and once unconstitutionally (the 16th amendment) for a total of 27 amendments.
To pass a law, there must be a 51% vote in both houses of Congress, and an approval by the president. Or Congress may override the veto by a two-thirds vote. This has been done well over 40,000 times in 2011 alone.
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The city of Jericho is a historic city, also mentioned in the Bible, when the Jews, after 40 years of journey through the desert, after leaving Egypt, finally reached the promised land. The city was in the "Canaan" land, according to the Bible, which the Jews led by Joshua, who was leader after Moses, had to conquer. According to historical data, Jericho was located in the valley of the Jordan River, a small village inhabited by a few thousand people, with a stone wall around. There is no evidence of the existence of a ziggurat in the village, which is a stone pyramid, a type of building that dates back to the Sumerian civilization, and which is more characteristic of the Mesopotamian region than Palestine.
I would say that the right answer is C.
That all slaves would go free.
I believe that all of the slaves were released