The major campaign issue in the 1928 Election was, Religion and Prohibition.
Sooo I believe your answer is b.
Under the Articles of Confederation, Congress lacked the authority to regulate commerce, making it unable to protect or standardize trade between foreign nations and the various states.
The naval battle of Trafalgar was fought on October 21, 1805. The British fleet under Lord Nelson met a combined fleet of French and Spanish ships off the coast of Spain. The English fleet won a tremendous victory ensuring that Napolean would not be able to invade Britain. Admiral Lord Nelson died during the battle.
The open door policy was principles that was installed in 1899 and then the 1900s to Have a protection of equal or even trading among countries