Meaning: The phrase "across the country" means something that happens or is true throughout an entire nation. It suggests that the action or situation is not limited to one area but is widespread across all parts of the country.
Simple Example: "The festival is celebrated across the country every year."
In a Sentence: "The new law will impact schools across the country."
While "across the country" primarily means throughout the nation, it can sometimes be used metaphorically to describe a widespread sentiment or trend, even if it's not literally about geography.
There are no specific idioms or phrasal verbs that directly relate to "across the country," but you might come across phrases like "from coast to coast" which conveys a similar meaning of something happening throughout the entire nation.
In summary, "across the country" is a useful phrase to describe something that is widespread and affects many areas within a nation.