Which Texas city is the 'rudest'?

(NEXSTAR) — Southerners are usually thought of as having good manners — but surely there are plenty of southern cities where that isn't the case, right? Recently, educational tutoring resource Preply set out to find which U.S. cities have the rudest residents and (surprise!) many of them actually are in the southern U.S.

But where do Texas' cities fall?

When was the last time Texas went blue in the presidential election?

First, Preply says it surveyed Americans on a variety of topics...