The correct option is:
They primarily painted their works using oil paint.
During the Italian Renaissance, some remarkable egg tempera paintings and frescoes were produced. The northern renaissance didn't present that kind of frescoes because the climate wasn't appropriate to cure them. That´s why the north developed the chemistry of oil paints, so artists could have a medium that would dry and last.
C. Implied powers
In the U.S., implied powers<span> are powers authorized by the Constitution that, as the word "implied" said, seems implied by powers that are outspokenly stated. It was</span><span> </span>Alexander Hamilton who<span> defended the constitutionality of the </span>First Bank of the United States<span> against protests, giving life to</span><span> what has now the general statement of implied powers.</span>
That they were called the border ruffians
