Answer:
Far--reaching
Explanation:
We can eliminate "far--flung" and "far and away" because it doesn't make sense. If it's the action's of the government, that indicated that the consequences are major. Far--fetched means unlikely to happen. Far-reaching means it is important.
The best phrase to fill in the gap on the effect of the decision by the U.S. government is Far-reaching.
When something is said to have far-reaching consequences, it means that the effects will be felt by many people.
The decision being referred to in this question, will therefore affect a lot of people, in different sectors of the economy.
Find out more on government decisions at https://brainly.com/question/672649.
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