explain why amendments were needed to change rules about presidential elections, terms

The need for amending the procedures set forth in the Constitution for electing a president and vice president were necessary because of the ambiguity in Article II, Section I. In just over a decade after the Constitution was ratified, there had been two presidential elections--the election of 1796 and the election of 1800--that had confusing outcomes.

In 1796, the president and vice president ended up coming from different parties. Then in 1800, there was a tie for president, and Congress almost didn't agree on a winner. It didn't take long before Congress saw the need to clarify the procedures with the 12th Amendment, and over the next 200 years, the need for a few more amendments dealing with the presidency became evident

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explanation:

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.