<span>This above passage describes random sampling. Because the researchers pick six random states, then ten random zip codes (for a total of 60 zip codes), then 50 people from each zip code (for a total of 50*60 people), the process is completely random.
Although, I would probably make an alteration to include 3 states that favor one party, 3 states that favor another party, and 3 swing states for a survey like this (with everything still being random).</span>
Answer:
Nicolaus Copernicus proved that the Earth orbits the sun.
Explanation:
He did.
The Articles of Confederation tried to <span>preserve the states' sovereignty but they failed. It ended up not giving congress enough power and the Articles of Confederation were eventually replaced with the US Constitution.</span>
Because for them they wanted to reunite and conquer the other country
<span>The primary incentive for the implementation of the Marshall Plan was that American leaders hoped that U.S. economic assistance would prevent Europeans from turning to Communism. In 1948, this plans was enacted by the 80th United States Congress as the response to the European financial crisis that took place a year before. It was an act of economic aid to Western Europe that was meant to help rebuild economies that crashed during the World War II. The main goals were: to erase trade barriers, enact the modernisation of industry and to prevent the spread of Communism.</span>