The economic picture is darkening in states critical to Trump's reelection bid

Associated Press On the surface, the economy appears to have created a favorable picture for President Donald Trump a year ahead of the 2020 elections. But a closer look at key battleground states could spell trouble for the candidate, whose populist economic proposals have long been central to his campaign platform.  Amid trade tensions, growth and hiring have appeared increasingly uneven across the country.  Visit Business Insider's homepage for more stories. On the surface, the economy appears to have created a favorable picture for President Donald Trump a year ahead of the 2020 elections. But a closer look at growth and hiring could spell trouble for the candidate, whose populist economic proposals have long been central to his campaign platform.  The longest expansion on record has held up better than expected this year, but a trade dispute with China has caused pain for industries in states crucial to his reelection. While the economy plays a central role in presidential votes across the country, research suggests it has a more significant impact in political battlegrounds. See the rest of the story at Business InsiderNOW WATCH: A big-money investor in juggernauts like Facebook and Netflix breaks down the '3rd wave' firms that are leading the next round of tech disruptionSee Also:The best bras of 2019Target just released its Black Friday ad. Here's how 'The Target Effect' gets customers to spend more money than they were expecting.The Berlin Wall has been gone longer than it stood. Here's how the 28-mile blockade looks today compared to 1989.SEE ALSO: The quickest way to spot a recession, according to new research by a Federal Reserve economist