OKLAHOMA CITY (AP) — Oklahoma high school students studying U.S. history learn about the Industrial Revolution, women’s suffrage and America's expanding role in international affairs. Beginning next school year, they will add conspiracy theories about the 2020 presidential election. Oklahoma’s new social studies standards for K-12 public school students, already infused with references to the Bible and national pride, were revised at the direction of state School Superintendent Ryan Walters.