King Cotton diplomacy referred to - * A) the North's ability to keep the South isolated
B) the industrialization efforts the South had to start
C) the South's hope to gain foreign recognition
D) the Confederacy's new economic system

The correct answer is The 19th amendment barred voting discrimination based on sex.

In the question it refers to citizenship. In the United States, citizenship refers to the ability of an individual to participate in American politics. Knowing this, you can see that expanding this type of right would mean that more people have the ability to vote. The only answer that deals with more people getting the right to vote is letter choice B.