The battle of Poitiers---better known as the battle of Tours 732 CE. The franks obviously prepared to resist the muslims so their victory indicates they viewed muslim expansion into europe as a threat.
I think its A, I might not be correct though. <span>the Securities and Exchange Commission(SEC)—to prevent another stock market crash by more government control/regulation in stock transactions.</span>
The central government controls the economy in a communist nation.