A bibliography provides an alphabetized list of all of the sources that were used to create an article. It is a necessary component of any piece of academic research or writing. APA style is most commonly used to site sources in essays that cover social science topics.
. . States were also given a chance to propose changes, or amendments. Three-fourths of the states have to approve the amendment for it to become law. In the past 200 years, the Constitution has been amended 27 times.The 13th Amendment, in 1865, forever banned the practice of slavery. The 15th Amendment, in 1870, gave all citizens the right to vote, regardless of their race. Americans have added laws only to take them back.In 1919, the 18th Amendment was passed.hree-fourths of the states have to approve the amendment for it to become law. In the past 200 years, the Constitution has been amended 27 times. The 13th Amendment, in 1865, forever banned the practice of slavery. The 15th Amendment, in 1870, gave all citizens the right to vote, regardless of their race.
The United States Constitution was written in 1787 and ratified in 1788. It has 27 amendments, but the first 10 were ratified simultaneously in 1791 so it was amended one time with ten amendments. The other 17 amendments were ratified one at a time.So the US Constitution has 27 amendments but has been amended 18 times.hile a total of 33 amendments to the U.S. Constitution have been  proposed by Congress, only twenty-seven of them have been ratified  by at least three fourths of the state â¦ s and now are officially part  of the U.S, Constitution.