I believe the Project Mercury was the first program that first sent two people into Orbit.
It was the Soviet Union that put the two people to explore the Orbit.
There are several factors for establishing a civilization which are:
Big population centers: These help people survive with the help of each other, like farmers can grow and sell in these areas etc.
Monumental Architecture or Art: This will be identified as their legacy
Record Keeping: This can be a language or any other recording system to help record the history and traditions.
System of administering areas: Help run the place smoothly.
Labor division: Various people are skilled at various jobs, to do a certain job a skilled laborer is required.
Social Class System: It can be based on wealth as well as the type of work performed.
In order to become a civilization a society needs to bring all these attributes in and work towards a common goal of achieving them.
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The 1st United States Congress, comprising the United States Senate and the United States House of Representatives, met from March 4, 1789, to March 4, 1791, during the first two years of George Washington's presidency, first at Federal Hall in New York City and later at Congress Hall in Philadelphia. With the initial meeting of the First Congress, the United States federal government officially began operations under the new (and current) frame of government established by the 1787 Constitution. The apportionment of seats in the House of Representatives was based on the provisions of Article I, Section 2, Clause 3 of the Constitution. Both chambers had a Pro-Administration majority. Twelve articles of amendment to the Constitution were passed by this Congress and sent to the states for ratification; the ten ratified as additions to the Constitution on December 15, 1791, are collectively known as the Bill of Rights, with an additional amendment ratified more than two centuries later to become the Twenty-seventh Amendment to the United States Constitution. Hope this helped!
Spain called the New World "New Spain".