Answer:
<em>New food and fiber crops were introduced to Eurasia and Africa, improving diets and fomenting trade there. In addition, the Columbian Exchange vastly expanded the scope of production of some popular drugs, bringing the pleasures — and consequences — of coffee, sugar, and tobacco use to many millions of people.</em>
The Fourteenth Amendment. The Fifth Amendment has a due process clause as well, but the Fourteenth is the one that defines citizenship.
The answer should be b washington d.c.
U-Boat attacks affected fighting on land by being able to strike fire onto land before sending troops to fight on the beaches.
