Monroe Doctrine (1823) issued primarily to prevent European nations from future colonization in Latin America.
The right option is the US dollar has become stronger. When this occurs, purchase power increases if compared to foreign goods and services, enabling US citizens to benefit from those. Certainly, tourist sites getting crowded and dirty is a risk that must counted on, perhaps not the ideal situation for anyone.
Scientific observation corresponds to the method of testing hypotheses by unobtrusively watching and recording participants' behavior in a systematic manner.
<h3 /><h3>What is the purpose of scientific observation?</h3>
It consists of scientific research, where the researcher does not interfere with his personal opinions in the study, but rather collects data through different methods, such as documents, interviews and experiments, to measure a hypothesis.
Therefore, scientific observation helps to obtain knowledge through a complex and rigorous methodology to make the study more reliable.
Find out more about scientific method here:
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