The first reason is their size. They are very small and are very difficult to see. Special technology needed to be developed in order to observe them and their behavior and reach the conclusion that they were in fact infectious agents that could cause diseases. This wasn't possible before because the microscopes weren't as well developed.
Another is that they have a very long incubation period. This means that if you have them, a long time will pass before they start harming you which meant that many people believed them to be harmless since they couldn't track their behavior over a longer time period, also due to the lack of good technology.
Answer:
The right to own property
The right to be happy
Inalienable rights are those that are natural and that should not be taken away by the government. According to the constitution, people have unalienable rights of life, liberty, and the pursuit of happiness.
Explanation:
Any or all of these answers are correct, because these answers are the examples of this sort of right.
This is known as the Columbian Exchange; option A. This includes for example Coffee and Chocolate (the plants); which are today to a great degree cultivated in a continent different than the one they originally evolved on.
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