Unemployment is NOT very low. The government publicizes a fake unemployment number which includes a HUGE imaginary subtraction called "discouraged workers", which was originally imagined during the Clinton administration. To get a real idea about EMPLOYMENT, including those pesky minorities that Clinton excluded, see the employment population ratio, ages 25-54:

https://fred.stlouisfed.org/series/LNS12300060

When Obama left office we were STILL in an economy destroyed by Bush, STILL at employment levels BELOW the bottom of the past 2 recessions!

Now that Trump has been in office employment has grown NO DIFFERENTLY THAN UNDER OBAMA, for the past 3 years the Trump difference is INVISIBLE.