Geopolitical tensions have been high. Tariff uncertainty could also upend the economy and market. If you are worried about the future, then you'll probably want to buy a safe dividend stock. Perhaps one that, in years past, would have been recommended to widows and orphans. Namely a utility.If you have $1,000 to invest, you'll likely find NextEra Energy (NEE -1.44%), Black Hills (BKH -2.04%), or Dominion Energy (D -1.28%) an attractive option. Each one has a safe business and an attractive dividend yield. B ...