These two market leaders have increased their dividends for a combined 115 years.It's impossible to predict with certainty whether a recession is coming, but certain developments sure make it more likely. President Donald Trump's tariff policies could lead to increased prices and plunge the economy into a downturn. The recent government shutdown, especially if it drags on, could lead us directly into a recession.Of course, that may not happen, but it's not a bad idea for investors to prepare for that possib ...