Generally speaking, a government may be able to reduce the international value of its currency by "<span>b. selling its currency in the foreign exchange market," since this "floods" the market with the currency in question, thus making it less desirable for investors. </span>
Tuesday voting is a law from 1845, when people coun't travel on Sundays for religious reasons, so they needed a monday to have time to travel to the place where the vote took place.
They did not want to share political and economic freedom with freed slaves.