Explanation:
I could not understand the question.. please rephrase it. I'm sorry..
<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>
It was mainly the construction of railroads that helped cities thrive in the 1800s, while it was mostly the invention of the television that <span>had the most significant impact on the rise of mass entertainment in the late nineteenth century</span>.
Answer:The widespread use of machine guns and rapid-firing artillery pieces on the Western Front meant that any exposed soldier was vulnerable. Protection from enemy fire could only be achieved by digging into the earth. Assaults were carried out across "No Man's Land" between the opposing trenches.
Answer:
On April 30, 1803, representatives of the United States and Napoleonic France conclude negotiations for the Louisiana Purchase, a massive land sale that doubles the size of the young American republic.