Answer:
B). Protest inequality.
Step-by-step explanation:
In the book titled 'The Smithsonian's History of America in 101 Objects' authored by Richard Kurin depicts America's new history impressively through 101 valuables taken from Smithsonian collections.
As per the question, the given two historical objects are brought in to 'protest inequality' that were faced by different sections/elements of the society. 'The pin' used to be worn by women rights' supporters who were battling to gain equal rights for women. While 'the coin' displays the distinction in political opinions of the people which assisted in showing their dissent against the existing discrepancy. Thus, option B is the correct answer.