The cause of The Thirty Year War is that the Holy Roman Empire had conflict<span> with the Protestant. </span>France <span>fought </span>Spain<span> and the Holy Roman Empire for Europe Leadership. The effect of the war is that Sweden,</span>France<span> and their allies gained new territory.</span>
Answer=C
Total war was basically destroying everything that the enemy needed to sustain themselves, which included food.
The answer is F because Barack Obama was the first black president of the United States
The Mexican war led to the capture of Arizona, New Mexico, Texas, and a part of California. Hope this helps.