<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:
B executed nearly all prominent Serbs living in Austria Hungary
Pakistan played their first ODI match against New Zealand.
The Greeks were able to regroup. To defend against the Persians, Athens formed the Delian League, making the city-state the most powerful in Greece. In response to the growing power of Athens, the Spartans formed their own league, and the two powers went to war.