Answer:
The advent of civilization depended on the ability of some agricultural settlements to consistently produce surplus food, which allowed some people to specialize in non-agricultural work, which in turn allowed for increased production, trade, population, and social stratification.
Einstein's two postulates of special relativity are as follows, 1. The principle of relativity: The laws of physics are the same in all inertial systems. ... The constancy of the speed of light: Observers in all inertial systems mea- sure the same value for the speed of light in a vacuum.
The greatest flaw in Columbus' plan to reach Asia by sailing west was that "<span>a. He greatly underestimated the circumference of the earth and did not know about the existence of the continents of North and South America," since this was why when he landed in the New World he actually thought he had reached India. </span>
The first blank would be the Bill of rights which set up a bunch of Rights for the american people.
The Second Blank was the <span>Naturalization Act which raised the bar on how many years an immigrant had to wait until it could be eligible for citizenship</span>
