An amendment is added to the U. S. Constitution after which of these events?

What happened as a result of the colonial victory at saratoga

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.