Your answer is: Because President Roosevelt granted the navy permission for U.S. warships to attack German U-boats in self defense.
<span>The answer is D. the great changes brought about when machines and factories replaced animal power and handmade goods</span>
Answer: A, <span>"scalawags," "carpetbaggers," and freedmen.
</span><span>During and after the Civil War, many northerners headed to Southern states, driven by hopes of economic gain and a desire to work on behalf of the newly emancipated slaves. Many Southerners viewed them as opportunists looking to exploit and profit from the region’s misfortunes.</span>
After the Scientific Revolution, many people started to wonder. Prior to it, people just accepted the universe as is and then they found out it wasn't as they thought.