So if it is in all states and national elections then that must mean it is the result of the 19th amendment that would have allowed women the right to vote.
I believe there are a couple of things missing, such as the author of the article or the sponsor
During the High Middle Ages in Europe, thousands of trees were cleared to make way for agriculture and create new fields for farming. Agriculture was impossible with their dense woodland, so they need to clear it — giving way to a new type of livelihood.
They fought where they were needed.