<p>with 190 million people (and rapidely growing), Brazil is far and away the most populated South American country and has been, for quite some time, one of the leading recipients of direct foreign investment in the World. </p>
<p>The best European language to learn is French or German. Those are the two leading countries in the EU, they have the largest population, and are spoken in other countries. German is also spoken in Austria, Luxumberg and Switzerland. French is also spoken in Belgium, Luxumberg and Switzerland.</p>
<p>I can also imagine that Russian would be useful.</p>