Hey the answer is trench warfare. presuming you're talking about when they fought in trenches across no mans land. hope this helps, have an amazing day :)
<span>Both the Arab and Mongol Empires has periods of intellectual expansion. but the Arab Empire was created due to the rise of Islam and the Mongol empire was created due to the Mongols tearing away from Mongolia.</span>
<span>Constantinople's location connected Europe with the East and attracted traders with valuable goods should be your answer :)</span>
The best option regarding Voltaire, Montesquieu, Diderot, and Condorcet would be "<span>b. French philosophers of the Enlightenment who believed in the power of reason," since these were major thinkers who challenged the religious and ruling status quo. </span>
I believe that the answer would be B; because in fact, Roosevelt openly aided Allies in their provisions before they entered the war. Also, neither side was willing enough to aid Hitler.