The dust bowl and caused by dieing plants and pestisides
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.
Legislative branch I believe it is
Mesopotamian, they had many false gods.
The Berlin Conference<span> of 1884–85, also known as the Congo </span>Conference<span> or West Africa </span>Conference<span>, regulated European colonization and trade in Africa during the New Imperialism period, and coincided with Germany's sudden emergence as an imperial power</span>