The study found that half of the drop-off could be accounted for by : reduce mobilization effort
mobilization effort refer to the cardiac works that has to be putted in order to do something. As people tend to be more secluded and relied on technology to do and get anything, people tend to be less interested to got up and walk to the voting booth
A Political Action Committee is a group of people with some kind of interest. They collect money and spend it to promote that interest. when a PAC hires a lobbyist, the lobbyist is the one to go to the legislator and make the case on behalf of the PAC.
A solar eclipse occurs when the moon intersect with the Earth and the Sun causing a shadow over Earth. hope this helps.