A)the quantities of gold and silver brought back to Italian explorers <span>b)concentration of riches in the hands of the king and his court </span> <span>c)their participation in trade between Europe and the East </span> <span>d)the location of the Vatican in Italy</span>
Two party systems are most common in the English-speaking countries of the world and have been for some time, although many people think that it is detrimental to the political environment.