Answer:
The answer is <em>Case Study design</em>
The study of rare or unusual phenomena is most easily done through the use of the <u><em>case study design.</em></u>
Explanation:
The Case study consists of using one or more qualitative methods of gathering information and does not follow a strict line of research. It serves to answer questions that the researcher does not have much control over the phenomenon studied. The case study contributes to a better understanding of the individual phenomena, the organizational and political processes of society. It is a tool used to understand the form and motives that led to a particular decision.
They had a problem with Spain letting in Anglo-Americans. They became an independent country because of it.
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The lower chamber is usually the more numerous one, where the laws originate, and the upper chamber the smaller one.
In the US, the lower chamber is the House of Representatives and the Upper is the Senate