Copenhagen Denmark
Usually aluminum, however according to some, this material can decrease taste.
Water, barley, hops and yeast are the basic ingredients of beer. Adjuncts such as additional grains - corn, rice, rye, oats, wheat; various sugars - such as Belgian candy sugar (beet), brown sugar,...
If you mean specifically Germany, or USA or Australia, then war and discovery made borders between continent's countries
By all the continents.They also separated to contries, to states.
Italy