A king, queen, emperor, etc...
It is just one person that rules, they have complete power, and it is typically passed down by family.
The ethical consideration that must be addressed when a new
vaccine is being tested or before it is released to the public is that the
disease should be tested in order to provide safety and success. Before it has
to be tested on humans, it is best to have animal testing to ensure its safety.
Answer:
to have more opinions for a new election decision
The main reason why United States was involved in Vietnam is that the United States believed in the so called Domino effect: that if one country becomes communist, others might become communist too. So they got involved to stop the spread of communism (option a)