The euro could fall by 10%, which implies a drop below $1. According to Goldman Sachs, this will happen if Donald Trump imposes wide-ranging tariffs and cuts domestic taxes if he wins the US presidential election on November 5, Reuters reports. Former Republican President Trump is currently tied with Democratic Vice President Kamala Harris, but Trump’s radical economic policies are likely to affect Europe, a key trading partner of both the United States and China. Goldman Sachs said that a scenario in which Republicans win the presidential election and Congress could lead to higher tariffs and…