I can assure you there was no black Vikings. If a Nubian was in Scandinavia it was because of trade or captured. There are no indigenous black Vikings whatsoever. That be like me saying there was white Zulu warriors
It's called brine. It's a mix of alkalines designed to prevent ice to form on concrete. For the unskilled driver it is definitely a friend. Unfortunately it's the worst oxidizer for your vehicle and anything steel including bridges.
My tax dollars funded their food card and they're both morbidly obese. Welfare is why this country is failing. Many people just have kids just to have a free ride. And their kids become garbage they just kick out once their use is over