Investment capital to reinvigorate agricultural production. Investment capital for increased industrial production,which would create new jobs for the freed slaves.
<span>In randomized controlled trials, people are randomly assigned to each category to offset any potential bias.
</span>Selection bias<span> is the phenomenon where</span><span> the </span>selection<span> of people or groups is not adequately randomized to offset potential bias in research studies. This in turn does not ensure that the study samples included in research are representative of the population needed to be tested on.</span>
Answer: C: The citizens of Athens stayed within an overcrowded walled city.
Explanation:
The Peloponnesian War had only been fought for a few years when farmers and other citizens who lived outside the city of Athens flocked to the inside for protection from the Spartans. The city had not prepared properly for this type of overcrowding. There was a shortage of food and clean water as a result. There was a lack of cleanliness. Athens was unable to get rid of all the waste that the mass of people was creating. This caused a plague.
(4) D-B-A-C is the answer