Once a state ratifies a proposed amendment

Article five of the US constitution deals with the process of altering of the constitution and its ratification Both Congress and Senate can propose the Amendment. If the congress is about to submit a representation then it need two thirds vote in both the house of representatives and the senate . It can also be amended by convention of the states called by two thirds of the state legislatures. If the legislatures of the three-quarters of the states or the state ratifying conventions in three-quarters of the states ratifies the amendment, it becomes the part of the constitution and a copy of it send to the federal register for drafting a formal proclamation for the archivist to certify that the amendment is valid and has become part of the constitution. Then this certification is published in the federal register. After that US  statutes serves an official notice to the congress and to the nation that the amendment process had been completed.

If only one state ratifies a proposed amendment the it is of no use and cannot amend the constitution.

i believe the answer is:

-   william jennings bryan is a democrat while mckinley was a republican

at that time, the segment of population that choose for democratic party were the voters with low economic background and vice versa

- william jennings has support of populists and wants to have inflation to farmers while mckinley has support of bankers and businessmen , doesn't want inflation

the fixed value of gold make the large business able to stack up their gold without   being worried that it would devaluated.

- william jennings supported the silver standard while mckinley supported the gold standard

according to jenning, using other metal beside gold could the poor people to have more purchasing power and them advance in the society.

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."