The correct answer: Break Islamic rule
<span>The pre-condition which had to be accomplished on the iberian peninsula before portugal and spain could unify internally as nations is to break Islamic rule. It is so because most of the iberian is controlled by the Moors, an Islamic people who conquered most of Spain and Portugal. Without the Moors removed, the rulers of both Spain and Portugal are nothing more than usurpers to power, guerillas if you will.</span>
It gave them more power because before they didn't have much power.
Protozoa are unicellular eukaryotic organisms.
They are in the Kingdom Protista. With algae and water and slime molds.
In the Eukaryote Domain
The industrial revolution and the progressive Era. Also, the Spanish American war. <span />
A and D make the most sense out of all these. Hope this helps :)