What is the best reason for the scientific community to accept a theory?
the theory is supported by all the available observations and data.
an award-winning scientist proposed the theory.
the majority of the general public agrees with the theory.
the theory contradicts an older theory.

The best reason for the scientific community to accept a theory is this: THE THEORY IS SUPPORTED BY ALL THE AVAILABLE OBSERVATION AND DATA.

Science is a dynamic subject, scientific investigations are always on going and new discoveries are made regularly. For a particular discovery to be accepted by the scientific community, such a discovery must have been tested several times by different scientists in different locations and found to be true. Without repeated testing that give constant results, a scientific discovery can not be accepted by scientists.

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answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them