Answer:
World War II put a heavy burden on US supplies of basic materials like food, shoes, ... babies, which had to be turned in along with money to purchase goods made with ... Tires were the first product to be rationed,
A decade after gaining its independence from Mexico, Texas accepted annexation into the United States on Dec. 29, 1845.
They use the design of Nonexperimental Research.
<h3><u>What is Nonexperimental research?</u></h3>
- Research is defined as the creation of new knowledge and/or the use of existing knowledge in a new and creative way so as to generate new concepts, methodologies and understandings. This could include synthesis and analysis of previous research to the extent that it leads to new and creative outcomes.
- Nonexperimental research is research that lacks the manipulation of an independent variable, random assignment of participants to conditions or orders of conditions, or both. In a sense, it is unfair to define this large and diverse set of approaches collectively by what they are not.
Examples of Nonexperimental research.
- Commonly, non-experimental studies are purely observational and the results intended to be purely descriptive. For example, an investigator may be interested in the aver- age age, sex, most common diagnoses, and other characteristics of pediatric patients being transported by air.
To know more about nonexperimental research, check the following.
brainly.com/question/11932651
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B. influenced by social norms.
hope this helps :)
