Is this statement a fact or an opinion : " Slavery lasted more than 200 years in America."

John locke, an enlightenment-era philosopher, influenced the american movement for independence. locke believed that all people were entitled to natural rights. which quotation from the preamble to the declaration of independence refers to natural rights?

Which technological breakthrough of the 1950s revolutionized the way that americans kept up with news and world events? a) radio b) internet c) television d) motion pictures

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used