None. There are no similarities and by the way, that's a pretty weird question.
A special issue interest group like the AARP different from an organized labor interest group by: Special issues groups talk about issues of public concern, [ like the American Association of Retired Persons (AARP) helps the concerns of older people. ]
I believe it was the telegraph. This technology was instrumental in spreading news and communicating other information during the civil war.
I think the answer is asia.