Answer: D. An economic system characterized by voluntary allocation
Explanation: Socialism promotes or encourages the need for production, distribution and exchange to be run by community at large instead of only the government running the affairs of the community.
Socialism is a shared responsibility for the production and distribution of resouces between individuals in the community or a group. It is the economic and political theory that encourages individuals to do things collectively for the common goal of the society.
Early american cultures were very vulnerable because they had nothing they knew of yet.
Cross-sectional research involves the comparison of two or more pre-existing groups of people under the same criteria.
<h3>What is
Cross-sectional research?</h3>
A cross-sectional study is a form of observational study in medical research, social science, and biology that analyzes data from a population, or a representative subset, at a specific point in time—that is, cross-sectional data.
Cross-sectional studies are used to analyze a population's illness burden or health requirements, and they are especially effective in informing health resource planning and allocation. A cross-sectional survey can be used to measure the burden of a certain disease in a defined population.
Cross-sectional studies capture a single point in time, gathering data from a research group at a particular point. This is often done with a single survey, questionnaire, or observation.
To know more about Cross-sectional research follow the link:
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Answer:
Of the options provided "fast, cheap railroad transportation benefited is businesses" is the correct response.
Explanation:
The railroads made it possible to ship goods without having to use the canals and rivers that transportation relied upon previously in what is today the Midwestern and south central United States. It helped to reduce the time it took to transport goods across vast distances and it helped to lower costs. The railroads made the rapid settlement of the Midwest and the West Coast possible. Factories on the East Coast also benefited from the expansion of the railway system as raw materials could be shipped in at lower prices and in greater quantities. The products they produced could also be more efficiently sent to far-off locations for sale.
Answer:
Age-related changes in attention and memory
Explanation:
Jean Piagets 4 stages are based on the thought processed and understandings that develop with age. The stages are sensorimotor, preoperational, concreate operational, and formal operational.