How did industrialization effect the country’s relationship with other nations ?

Why does the united states constitution require that a national census be taken every ten years?

Which of these would be describing a developed country? a) literacy rate of 84% b) life expectancy of 58 years c) post-secondary education rate of 10% d) infant mortality rate of 3 per 1,000 births

True or false? correlations can only be negative.