My guess would be the first one , 1830 , Hope it’s the correct answer ! :)
        
             
        
        
        
<span>The United States embraced a laissez-faire policy in the economy during the 1920s. The Secretary of Treasury, Mellon, tremendously reduced taxes, which moved the economy because there was more money to spend. Inventions such as cars and radios, as well as the conservative economic policies, added to a huge economic boom. Many of the economic procedures in the decade would lead to danger especially in the stock market, which would lead to the crash and the Great Depression.</span>
        
                    
             
        
        
        
The most basic unit of society is family
        
             
        
        
        
86 and the last option on the second
        
             
        
        
        
One of the most influential rock 'n' roll (alternative, metal, grange, gothic, punk...) artist and groups in these periods include:
- Nirvana
- Pantera 
- System of a Down
- Nightwish
- Slipknot
- Rammstein 
- Marilyn Manson
All of these bands, except for Nirvana, existed/exist in both given periods. They are one of the most influential rock 'n' roll bands from these periods, had and still have enormous followings. All of them were specific in their own way, and were the bands that expended the spectrum of the genres. They were inspiration for lot of young people, and were bands that very often were depicting the society and what's wrong with it in an artistic, sarcastic, interesting, progressive way.