Which problem with cotton did Eli Whitney solve by inventing the cotton gin?

Which of the following is NOT a way to make supply chain systems more efficient? 

The typical slaveholder in the South prior to the Civil War owned

  This man tied with Thomas Jefferson for electoral votes in 1800 and then served as his Vice-President:

Sheen is considering adding a line extension to his line of Ultralord action figures. Which of the following items would he want to consider before going through with his plan?

In Gibbons v. Ogden, the U.S. Supreme Court ruled that

Michael uses his “World’s Best Boss” mug every day for his morning cup of coffee that he makes in his Keurig. The K-Cups Michael uses are what type of product?

The War of 1812 was bitterly opposed by

Andrew Jackson achieved national prominence due to his actions  

Which of the following is not a part of acceleration of innovation which helps gain speed?