What was the name of the 1st constitution the U. S. had? What is an "amendment" in regard to the Constitution?

The Bill of Rights, which was introduced to Congress in 1789 and adopted on December 15, 1791, includes the first ten amendments to the U.S. Constitution.

A constitutional amendment is a modification of the constitution of a polity, organization or other type of entity. ... Most constitutions require that amendments cannot be enacted unless they have passed a special procedure that is more stringent than that required of ordinary legislation.

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

this isn't a question and if you're going to list things be kind and use commas.