racism
The 1950s signifies the beginning of the baby-boom, so yes.
Yes. The 20th century ran from 1901 to 2000, so it included the 1950s.
I'm not sure about the dance, but I know that pop music became significant in the 1950s- so it depends what you mean by dance. A music video with pop dancing or just a dance?
World War 2
My dick is bigger than a bridge.
Many Americans bought televisions for the first time in the 1950s, making it a significant decade for the spread of this technology in households across the country.
There were showers in the 1850s, so yeah.
Slogans and jingles
Yes - and so did a lot of not so rich people.
Spain was not a member of NATO in the 1950s. Although Spain was a significant military ally of the United States during the Cold War, it did not join NATO until 1982. The country was under the dictatorship of Francisco Franco during the 1950s, which influenced its foreign policy and relations with other countries.
Life expectancy has increased by around 20-30 years from the 1950s to today, depending on the country. Improvements in healthcare, sanitation, nutrition, and medical advancements have contributed to this significant increase in life expectancy.
10-100 USD or so