The correct answer is "passage of a new excise tax."
This tax passed on whiskey in 1791, caused significant uproar from the American citizens. One of the reasons why it caused an uproar was because taxes put on the American people by a strong central government was the initial reason the US declared their independence from Great Britain. Americans were scared that this would be the beginning of another out of touch federal government that would force taxes on their citizens. To show their disapproval of this tax, citizens rebelled by using violence and intimidation tactics to scare tax collectors.
Mandatory fines, jail sentences and drivers license suspensions help deter drinking and driving. The swifter the punishment, the more effective it is at preventing drunk driving.
It was the issue of state's rights that most directly contributed to the advent of a two party system in the 19th century, with the Democrats generally in favor of Southern state's rights and the Whigs in favor or more national unity. This of course was related to economic issues in the sense that the Democrats were defending slavery.
The correct answer is: cold weather.
It would not be benefiting from Polish aid, as Poland was also in conflict with Soviet Union.
The major factor that helped the Soviets was the cold weather: the Nazis were not prepared for it as well as the Soviets were and additionally attacking is harder in cold weather than defense (the Russians were defending themselves and the Germans were attacking).